765624812 has 12 divisors (see below), whose sum is σ = 1359841560. Its totient is φ = 377098656.

The previous prime is 765624809. The next prime is 765624863. The reversal of 765624812 is 218426567.

It is a self number, because there is not a number n which added to its sum of digits gives 765624812.

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, 1428137 + ... + 1428672.

It is an arithmetic number, because the mean of its divisors is an integer number (113320130).

Almost surely, 2^765624812 is an apocalyptic number.

It is an amenable number.

765624812 is a deficient number, since it is larger than the sum of its proper divisors (594216748).

765624812 is a wasteful number, since it uses less digits than its factorization.

765624812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856880 (or 2856878 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 765624812 is about 27669.9261292834. The cubic root of 765624812 is about 914.8263526269.

The spelling of 765624812 in words is "seven hundred sixty-five million, six hundred twenty-four thousand, eight hundred twelve".