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.
[-74, -39.667, 15.223, 42.839, 7.79, -7.941, 13.608, -17.313, 49, 6.836]