731672000 has 56 divisors (see below), whose sum is σ = 1812005520. Its totient is φ = 292665600.

The previous prime is 731671999. The next prime is 731672063. The reversal of 731672000 is 276137.

731672000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37730 + ... + 53729.

Almost surely, 2^731672000 is an apocalyptic number.

It is an amenable number.

731672000 is an abundant number, since it is smaller than the sum of its proper divisors (1080333520).

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

731672000 is an equidigital number, since it uses as much as digits as its factorization.

731672000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91486 (or 91466 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 731672000 is about 27049.4362233301. The cubic root of 731672000 is about 901.0982477676.

The spelling of 731672000 in words is "seven hundred thirty-one million, six hundred seventy-two thousand".