731662056 has 48 divisors (see below), whose sum is σ = 2029924260. Its totient is φ = 237937920.

The previous prime is 731662049. The next prime is 731662067. The reversal of 731662056 is 650266137.

731662056 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 2 ways, for example, as 574560900 + 157101156 = 23970^2 + 12534^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 731662056.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120975 + ... + 126878.

Almost surely, 2^731662056 is an apocalyptic number.

It is an amenable number.

731662056 is an abundant number, since it is smaller than the sum of its proper divisors (1298262204).

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

731662056 is a wasteful number, since it uses less digits than its factorization.

731662056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247906 (or 247899 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 731662056 is about 27049.2524111111. The cubic root of 731662056 is about 901.0941655370.

The spelling of 731662056 in words is "seven hundred thirty-one million, six hundred sixty-two thousand, fifty-six".