772256 has 12 divisors (see below), whose sum is σ = 1520442. Its totient is φ = 386112.

The previous prime is 772231. The next prime is 772273. The reversal of 772256 is 652277.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 99856 = 820^2 + 316^2 .

It is an Ulam number.

It is an unprimeable number.

772256 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12035 + ... + 12098.

2⁷⁷²²⁵⁶ is an apocalyptic number.

It is an amenable number.

772256 is a deficient number, since it is larger than the sum of its proper divisors (748186).

772256 is a wasteful number, since it uses less digits than its factorization.

772256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24143 (or 24135 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 772256 is about 878.7809738496. The cubic root of 772256 is about 91.7459912075.

The spelling of 772256 in words is "seven hundred seventy-two thousand, two hundred fifty-six".