764274372 has 72 divisors (see below), whose sum is σ = 1955761920. Its totient is φ = 232005120.

The previous prime is 764274367. The next prime is 764274391. The reversal of 764274372 is 273472467.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103954 + ... + 111062.

It is an arithmetic number, because the mean of its divisors is an integer number (27163360).

Almost surely, 2^764274372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764274372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (977880960).

764274372 is an abundant number, since it is smaller than the sum of its proper divisors (1191487548).

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

764274372 is a wasteful number, since it uses less digits than its factorization.

764274372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7181 (or 7162 counting only the distinct ones).

The product of its digits is 395136, while the sum is 42.

The square root of 764274372 is about 27645.5126919361. The cubic root of 764274372 is about 914.2881668414.

The spelling of 764274372 in words is "seven hundred sixty-four million, two hundred seventy-four thousand, three hundred seventy-two".