7744
7744 is the natural number following 7743 and preceding 7745.
In mathematics
7744 is:- the square of 88, and is the smallest nonzero square each of whose decimal digits occur exactly twice.
- the sum of two fifth powers: 7744 = 65 + 5.
- a Harshad number in bases 5, 9, 10, 12, 14 and 15.
- the aliquot sum of both 10316 and 15482.
- part of the 29-aliquot tree.