764812 has 12 divisors (see below), whose sum is σ = 1357776. Its totient is φ = 376880.

The previous prime is 764809. The next prime is 764837. The reversal of 764812 is 218467.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (113148).

2⁷⁶⁴⁸¹² is an apocalyptic number.

It is an amenable number.

764812 is a deficient number, since it is larger than the sum of its proper divisors (592964).

764812 is a wasteful number, since it uses less digits than its factorization.

764812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768 (or 2766 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 764812 is about 874.5353051764. The cubic root of 764812 is about 91.4502501607.

The spelling of 764812 in words is "seven hundred sixty-four thousand, eight hundred twelve".