534640972 has 24 divisors (see below), whose sum is σ = 975268784. Its totient is φ = 256208832.

The previous prime is 534640969. The next prime is 534640987. The reversal of 534640972 is 279046435.

It is a happy number.

It is a super-2 number, since 2×534640972² = 571681937882209568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17043 + ... + 36874.

Almost surely, 2^534640972 is an apocalyptic number.

It is an amenable number.

534640972 is a deficient number, since it is larger than the sum of its proper divisors (440627812).

534640972 is a wasteful number, since it uses less digits than its factorization.

534640972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54025 (or 54023 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 534640972 is about 23122.3046429200. The cubic root of 534640972 is about 811.6225020183.

The spelling of 534640972 in words is "five hundred thirty-four million, six hundred forty thousand, nine hundred seventy-two".