672624531 has 12 divisors (see below), whose sum is σ = 982486440. Its totient is φ = 443377440.

The previous prime is 672624523. The next prime is 672624551. The reversal of 672624531 is 135426276.

672624531 is a `hidden beast` number, since 67 + 2 + 62 + 4 + 531 = 666.

It is not a de Polignac number, because 672624531 - 2³ = 672624523 is a prime.

It is a super-2 number, since 2×672624531² = 904847519405939922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (672624551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419065 + ... + 420666.

It is an arithmetic number, because the mean of its divisors is an integer number (81873870).

Almost surely, 2^672624531 is an apocalyptic number.

672624531 is a deficient number, since it is larger than the sum of its proper divisors (309861909).

672624531 is a wasteful number, since it uses less digits than its factorization.

672624531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839826 (or 839823 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 672624531 is about 25935.0058993631. The cubic root of 672624531 is about 876.1750877585.

It can be divided in two parts, 6726245 and 31, that added together give a palindrome (6726276).

The spelling of 672624531 in words is "six hundred seventy-two million, six hundred twenty-four thousand, five hundred thirty-one".