731750056 has 8 divisors (see below), whose sum is σ = 1372031370. Its totient is φ = 365875024.

The previous prime is 731750053. The next prime is 731750093. The reversal of 731750056 is 650057137.

It can be written as a sum of positive squares in only one way, i.e., 726302500 + 5447556 = 26950^2 + 2334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (731750053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45734371 + ... + 45734386.

Almost surely, 2^731750056 is an apocalyptic number.

It is an amenable number.

731750056 is a deficient number, since it is larger than the sum of its proper divisors (640281314).

731750056 is a wasteful number, since it uses less digits than its factorization.

731750056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91468763 (or 91468759 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 731750056 is about 27050.8790245345. The cubic root of 731750056 is about 901.1302901873.

The spelling of 731750056 in words is "seven hundred thirty-one million, seven hundred fifty thousand, fifty-six".