772977232 has 20 divisors (see below), whose sum is σ = 1501505460. Its totient is φ = 385491968.

The previous prime is 772977229. The next prime is 772977241. The reversal of 772977232 is 232779277.

It can be written as a sum of positive squares in 2 ways, for example, as 540841536 + 232135696 = 23256^2 + 15236^2 .

It is a congruent number.

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, 55873 + ... + 68320.

It is an arithmetic number, because the mean of its divisors is an integer number (75075273).

Almost surely, 2^772977232 is an apocalyptic number.

It is an amenable number.

772977232 is a deficient number, since it is larger than the sum of its proper divisors (728528228).

772977232 is a wasteful number, since it uses less digits than its factorization.

772977232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124590 (or 124584 counting only the distinct ones).

The product of its digits is 518616, while the sum is 46.

The square root of 772977232 is about 27802.4680918799. The cubic root of 772977232 is about 917.7454372374.

The spelling of 772977232 in words is "seven hundred seventy-two million, nine hundred seventy-seven thousand, two hundred thirty-two".