672520732 has 48 divisors (see below), whose sum is σ = 1370283040. Its totient is φ = 286094592.

The previous prime is 672520729. The next prime is 672520747. The reversal of 672520732 is 237025276.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27358 + ... + 45754.

Almost surely, 2^672520732 is an apocalyptic number.

It is an amenable number.

672520732 is an abundant number, since it is smaller than the sum of its proper divisors (697762308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672520732 is a wasteful number, since it uses less digits than its factorization.

672520732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18470 (or 18468 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 672520732 is about 25933.0046851498. The cubic root of 672520732 is about 876.1300151748.

The spelling of 672520732 in words is "six hundred seventy-two million, five hundred twenty thousand, seven hundred thirty-two".