747561992 has 16 divisors (see below), whose sum is σ = 1475451600. Its totient is φ = 354108240.

The previous prime is 747561989. The next prime is 747562019. The reversal of 747561992 is 299165747.

It is a self number, because there is not a number n which added to its sum of digits gives 747561992.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2458934 + ... + 2459237.

It is an arithmetic number, because the mean of its divisors is an integer number (92215725).

Almost surely, 2^747561992 is an apocalyptic number.

It is an amenable number.

747561992 is a deficient number, since it is larger than the sum of its proper divisors (727889608).

747561992 is a wasteful number, since it uses less digits than its factorization.

747561992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918196 (or 4918192 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 747561992 is about 27341.5799104587. The cubic root of 747561992 is about 907.5747489573.

The spelling of 747561992 in words is "seven hundred forty-seven million, five hundred sixty-one thousand, nine hundred ninety-two".