764369992 has 16 divisors (see below), whose sum is σ = 1433556540. Its totient is φ = 382088256.

The previous prime is 764369959. The next prime is 764369993. The reversal of 764369992 is 299963467.

764369992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 662238756 + 102131236 = 25734^2 + 10106^2 .

It is a super-2 number, since 2×764369992² = 1168522969340160128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (764369993) 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, 30178 + ... + 49390.

Almost surely, 2^764369992 is an apocalyptic number.

It is an amenable number.

764369992 is a deficient number, since it is larger than the sum of its proper divisors (669186548).

764369992 is a wasteful number, since it uses less digits than its factorization.

764369992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24192 (or 24188 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 55.

The square root of 764369992 is about 27647.2420324343. The cubic root of 764369992 is about 914.3262947669.

The spelling of 764369992 in words is "seven hundred sixty-four million, three hundred sixty-nine thousand, nine hundred ninety-two".