764072 has 16 divisors (see below), whose sum is σ = 1444500. Its totient is φ = 378880.

The previous prime is 764059. The next prime is 764081. The reversal of 764072 is 270467.

It can be written as a sum of positive squares in 2 ways, for example, as 763876 + 196 = 874^2 + 14^2 .

It is an unprimeable number.

764072 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872 + ... + 1512.

2⁷⁶⁴⁰⁷² is an apocalyptic number.

It is an amenable number.

764072 is a deficient number, since it is larger than the sum of its proper divisors (680428).

764072 is a wasteful number, since it uses less digits than its factorization.

764072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 764072 is about 874.1121209547. The cubic root of 764072 is about 91.4207461681.

The spelling of 764072 in words is "seven hundred sixty-four thousand, seventy-two".