In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.
[-1.137, 30, 91.326, 4.305, 36.525, 74.719, 3.972, 13.533, 62]