672494624 has 24 divisors (see below), whose sum is σ = 1324568700. Its totient is φ = 336096256.

The previous prime is 672494617. The next prime is 672494639. The reversal of 672494624 is 426494276.

It can be written as a sum of positive squares in 2 ways, for example, as 651883024 + 20611600 = 25532^2 + 4540^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112052 + ... + 117900.

Almost surely, 2^672494624 is an apocalyptic number.

It is an amenable number.

672494624 is a deficient number, since it is larger than the sum of its proper divisors (652074076).

672494624 is a wasteful number, since it uses less digits than its factorization.

672494624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452 (or 9444 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 672494624 is about 25932.5013062759. The cubic root of 672494624 is about 876.1186775820.

The spelling of 672494624 in words is "six hundred seventy-two million, four hundred ninety-four thousand, six hundred twenty-four".