747385872 has 40 divisors (see below), whose sum is σ = 1933340544. Its totient is φ = 248793984.

The previous prime is 747385813. The next prime is 747385901. The reversal of 747385872 is 278583747.

It is a happy 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, 27033 + ... + 47175.

Almost surely, 2^747385872 is an apocalyptic number.

It is an amenable number.

747385872 is an abundant number, since it is smaller than the sum of its proper divisors (1185954672).

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

747385872 is a wasteful number, since it uses less digits than its factorization.

747385872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20927 (or 20921 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 51.

The square root of 747385872 is about 27338.3589851330. The cubic root of 747385872 is about 907.5034707575.

The spelling of 747385872 in words is "seven hundred forty-seven million, three hundred eighty-five thousand, eight hundred seventy-two".