764024881 has 9 divisors (see below), whose sum is σ = 773567769. Its totient is φ = 754599300.

The previous prime is 764024819. The next prime is 764024887. The reversal of 764024881 is 188420467.

The square root of 764024881 is 27641.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 764024881 - 2⁹ = 764024369 is a prime.

It is a super-2 number, since 2×764024881² = 1167468037574128322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764024887) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3620866 + ... + 3621076.

Almost surely, 2^764024881 is an apocalyptic number.

764024881 is the 27641-st square number.

764024881 is the 13821-st centered octagonal number.

It is an amenable number.

764024881 is a deficient number, since it is larger than the sum of its proper divisors (9542888).

764024881 is an frugal number, since it uses more digits than its factorization.

764024881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The cubic root of 764024881 is about 914.1886687628.

The spelling of 764024881 in words is "seven hundred sixty-four million, twenty-four thousand, eight hundred eighty-one".