764695972 has 24 divisors (see below), whose sum is σ = 1462648320. Its totient is φ = 348247680.

The previous prime is 764695963. The next prime is 764695993. The reversal of 764695972 is 279596467.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179272 + ... + 183487.

It is an arithmetic number, because the mean of its divisors is an integer number (60943680).

Almost surely, 2^764695972 is an apocalyptic number.

It is an amenable number.

764695972 is a deficient number, since it is larger than the sum of its proper divisors (697952348).

764695972 is a wasteful number, since it uses less digits than its factorization.

764695972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362811 (or 362809 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 55.

The square root of 764695972 is about 27653.1367479351. The cubic root of 764695972 is about 914.4562535254.

The spelling of 764695972 in words is "seven hundred sixty-four million, six hundred ninety-five thousand, nine hundred seventy-two".