764904 has 64 divisors (see below), whose sum is σ = 2275200. Its totient is φ = 209664.

The previous prime is 764903. The next prime is 764947. The reversal of 764904 is 409467.

It is not an unprimeable number, because it can be changed into a prime (764903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4794 + ... + 4950.

It is an arithmetic number, because the mean of its divisors is an integer number (35550).

2⁷⁶⁴⁹⁰⁴ 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 764904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137600).

764904 is an abundant number, since it is smaller than the sum of its proper divisors (1510296).

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

764904 is a wasteful number, since it uses less digits than its factorization.

764904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 764904 is about 874.5879029577. The cubic root of 764904 is about 91.4539168943.

The spelling of 764904 in words is "seven hundred sixty-four thousand, nine hundred four".