731375874 has 12 divisors (see below), whose sum is σ = 1584647766. Its totient is φ = 243791952.

The previous prime is 731375857. The next prime is 731375881. The reversal of 731375874 is 478573137.

731375874 is a `hidden beast` number, since 7 + 31 + 37 + 587 + 4 = 666.

731375874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 426629025 + 304746849 = 20655^2 + 17457^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20315979 + ... + 20316014.

Almost surely, 2^731375874 is an apocalyptic number.

731375874 is an abundant number, since it is smaller than the sum of its proper divisors (853271892).

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

731375874 is a wasteful number, since it uses less digits than its factorization.

731375874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40632001 (or 40631998 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 731375874 is about 27043.9618769144. The cubic root of 731375874 is about 900.9766656805.

The spelling of 731375874 in words is "seven hundred thirty-one million, three hundred seventy-five thousand, eight hundred seventy-four".