772749772 has 12 divisors (see below), whose sum is σ = 1395935296. Its totient is φ = 373911120.

The previous prime is 772749767. The next prime is 772749799. The reversal of 772749772 is 277947277.

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, 3115803 + ... + 3116050.

Almost surely, 2^772749772 is an apocalyptic number.

It is an amenable number.

772749772 is a deficient number, since it is larger than the sum of its proper divisors (623185524).

772749772 is a wasteful number, since it uses less digits than its factorization.

772749772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231888 (or 6231886 counting only the distinct ones).

The product of its digits is 2420208, while the sum is 52.

The square root of 772749772 is about 27798.3771468768. The cubic root of 772749772 is about 917.6554083431.

The spelling of 772749772 in words is "seven hundred seventy-two million, seven hundred forty-nine thousand, seven hundred seventy-two".