531632673 has 64 divisors (see below), whose sum is σ = 974131200. Its totient is φ = 281724480.

The previous prime is 531632663. The next prime is 531632677. The reversal of 531632673 is 376236135.

531632673 is a `hidden beast` number, since 531 + 63 + 2 + 67 + 3 = 666.

It is not a de Polignac number, because 531632673 - 2⁵ = 531632641 is a prime.

It is a super-2 number, since 2×531632673² = 565266598002249858, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (531632677) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 69736 + ... + 76982.

It is an arithmetic number, because the mean of its divisors is an integer number (15220800).

Almost surely, 2^531632673 is an apocalyptic number.

It is an amenable number.

531632673 is a deficient number, since it is larger than the sum of its proper divisors (442498527).

531632673 is a wasteful number, since it uses less digits than its factorization.

531632673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7299 (or 7293 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 531632673 is about 23057.1609917613. The cubic root of 531632673 is about 810.0973682677.

The spelling of 531632673 in words is "five hundred thirty-one million, six hundred thirty-two thousand, six hundred seventy-three".