772528 has 20 divisors (see below), whose sum is σ = 1526688. Its totient is φ = 378560.

The previous prime is 772517. The next prime is 772537. The reversal of 772528 is 825277.

772528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 772528.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393 + ... + 1303.

2⁷⁷²⁵²⁸ is an apocalyptic number.

It is an amenable number.

772528 is a deficient number, since it is larger than the sum of its proper divisors (754160).

772528 is a wasteful number, since it uses less digits than its factorization.

772528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 966 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 772528 is about 878.9357200615. The cubic root of 772528 is about 91.7567613754.

The spelling of 772528 in words is "seven hundred seventy-two thousand, five hundred twenty-eight".