768735812 has 12 divisors (see below), whose sum is σ = 1448771436. Its totient is φ = 354801120.

The previous prime is 768735743. The next prime is 768735817. The reversal of 768735812 is 218537867.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 380094016 + 388641796 = 19496^2 + 19714^2 .

It is not an unprimeable number, because it can be changed into a prime (768735817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7391639 + ... + 7391742.

It is an arithmetic number, because the mean of its divisors is an integer number (120730953).

Almost surely, 2^768735812 is an apocalyptic number.

It is an amenable number.

768735812 is a deficient number, since it is larger than the sum of its proper divisors (680035624).

768735812 is a wasteful number, since it uses less digits than its factorization.

768735812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14783398 (or 14783396 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 768735812 is about 27726.0854070675. The cubic root of 768735812 is about 916.0637640502.

The spelling of 768735812 in words is "seven hundred sixty-eight million, seven hundred thirty-five thousand, eight hundred twelve".