578764 has 12 divisors (see below), whose sum is σ = 1018584. Its totient is φ = 287744.

The previous prime is 578741. The next prime is 578777. The reversal of 578764 is 467875.

It is a happy 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, 747 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (84882).

2⁵⁷⁸⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

578764 is a deficient number, since it is larger than the sum of its proper divisors (439820).

578764 is a wasteful number, since it uses less digits than its factorization.

578764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 822 counting only the distinct ones).

The product of its digits is 47040, while the sum is 37.

The square root of 578764 is about 760.7654040504. The cubic root of 578764 is about 83.3362274550.

Subtracting from 578764 its reverse (467875), we obtain a square (110889 = 333²).

The spelling of 578764 in words is "five hundred seventy-eight thousand, seven hundred sixty-four".