An electronic apparatus 10 in which an electronic board (80, 84) for use in detecting a touch operation on a touch pad for receiving a touch operation is provided in a position apart from the operating direction of a push button (24a to 24c, 60a to 60c, 70a to 70c) for receiving a depressing operation, wherein a detection switch (35a to 35c) for detecting the depressing operation of the push button (24a to 24c, 60a to 60c, 70a to 70c) is provided on the electronic board (80, 84); wherein: the detection switch (35a to 35c) is provided on a lower surface side of the electronic board (80, 84); the push button is provided adjacent to a side part of the electronic board and includes a vertically-movable operation surface part, which receives a depressing operation, and a detection arm, which protrudes from one edge part of the operation surface part to the lower surface side of the electronic board (80, 84) and presses the detection switch (35a to 35c) by moving in the opposite direction to the direction of the vertical movement of the operation surface part; the push button (24a to 24c, 60a to 60c, 70a to 70c) has a rotating supporting point in a position between the operation surface part and the pressing part ( a) for pressing the detection switch (35a to 35c) of the detection arm; characterised in that the electronic board (80, 84) is provided in an operation-input part which receives a depressing operation by rotating via a rotating supporting point provided on the lower surface side of the electronic board; and the axial direction of the rotating supporting point of the push button (24a to 24c, 60a to 60c, 70a to 70c) and the axial direction of the rotating supporting point of the operation-input part are parallel to each other and, when viewed in the axial direction of the rotating supporting point of the operation-input part, the rotating supporting point of the operation-input part and the detection switch are arranged in positions where both overlap with each other. the detection switch (35a to 35c) is provided on a lower surface side of the electronic board (80, 84); the push button is provided adjacent to a side part of the electronic board and includes a vertically-movable operation surface part, which receives a depressing operation, and a detection arm, which protrudes from one edge part of the operation surface part to the lower surface side of the electronic board (80, 84) and presses the detection switch (35a to 35c) by moving in the opposite direction to the direction of the vertical movement of the operation surface part; the push button (24a to 24c, 60a to 60c, 70a to 70c) has a rotating supporting point in a position between the operation surface part and the pressing part ( a) for pressing the detection switch (35a to 35c) of the detection arm; characterised in that the electronic board (80, 84) is provided in an operation-input part which receives a depressing operation by rotating via a rotating supporting point provided on the lower surface side of the electronic board; and the axial direction of the rotating supporting point of the push button (24a to 24c, 60a to 60c, 70a to 70c) and the axial direction of the rotating supporting point of the operation-input part are parallel to each other and, when viewed in the axial direction of the rotating supporting point of the operation-input part, the rotating supporting point of the operation-input part and the detection switch are arranged in positions where both overlap with each other.