731504472 has 16 divisors (see below), whose sum is σ = 1828761240. Its totient is φ = 243834816.

The previous prime is 731504471. The next prime is 731504491. The reversal of 731504472 is 274405137.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (731504471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15239653 + ... + 15239700.

Almost surely, 2^731504472 is an apocalyptic number.

It is an amenable number.

731504472 is an abundant number, since it is smaller than the sum of its proper divisors (1097256768).

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

731504472 is a wasteful number, since it uses less digits than its factorization.

731504472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30479362 (or 30479358 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 731504472 is about 27046.3393456490. The cubic root of 731504472 is about 901.0294689021.

The spelling of 731504472 in words is "seven hundred thirty-one million, five hundred four thousand, four hundred seventy-two".