764274387 has 8 divisors (see below), whose sum is σ = 1019512720. Its totient is φ = 509276160.

The previous prime is 764274367. The next prime is 764274391. The reversal of 764274387 is 783472467.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 764274387 - 2¹⁸ = 764012243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764274367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52462 + ... + 65427.

It is an arithmetic number, because the mean of its divisors is an integer number (127439090).

Almost surely, 2^764274387 is an apocalyptic number.

764274387 is a deficient number, since it is larger than the sum of its proper divisors (255238333).

764274387 is a wasteful number, since it uses less digits than its factorization.

764274387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120053.

The product of its digits is 1580544, while the sum is 48.

The square root of 764274387 is about 27645.5129632279. The cubic root of 764274387 is about 914.2881728229.

The spelling of 764274387 in words is "seven hundred sixty-four million, two hundred seventy-four thousand, three hundred eighty-seven".