764400372 has 12 divisors (see below), whose sum is σ = 1783600896. Its totient is φ = 254800120.

The previous prime is 764400367. The next prime is 764400383. The reversal of 764400372 is 273004467.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 31850004 + ... + 31850027.

It is an arithmetic number, because the mean of its divisors is an integer number (148633408).

Almost surely, 2^764400372 is an apocalyptic number.

It is an amenable number.

764400372 is an abundant number, since it is smaller than the sum of its proper divisors (1019200524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764400372 is a wasteful number, since it uses less digits than its factorization.

764400372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63700038 (or 63700036 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 764400372 is about 27647.7914488662. The cubic root of 764400372 is about 914.3384079517.

The spelling of 764400372 in words is "seven hundred sixty-four million, four hundred thousand, three hundred seventy-two".