764472531 has 16 divisors (see below), whose sum is σ = 1052697600. Its totient is φ = 493192128.

The previous prime is 764472529. The next prime is 764472539. The reversal of 764472531 is 135274467.

It is not a de Polignac number, because 764472531 - 2¹ = 764472529 is a prime.

It is a super-2 number, since 2×764472531² = 1168836501307091922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 764472531.

It is not an unprimeable number, because it can be changed into a prime (764472539) 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, 17911 + ... + 43008.

It is an arithmetic number, because the mean of its divisors is an integer number (65793600).

Almost surely, 2^764472531 is an apocalyptic number.

764472531 is a deficient number, since it is larger than the sum of its proper divisors (288225069).

764472531 is a wasteful number, since it uses less digits than its factorization.

764472531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61058.

The product of its digits is 141120, while the sum is 39.

The square root of 764472531 is about 27649.0963866814. The cubic root of 764472531 is about 914.3671780708.

The spelling of 764472531 in words is "seven hundred sixty-four million, four hundred seventy-two thousand, five hundred thirty-one".