747476844 has 12 divisors (see below), whose sum is σ = 1744112664. Its totient is φ = 249158944.

The previous prime is 747476837. The next prime is 747476879. The reversal of 747476844 is 448674747.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 31144857 + ... + 31144880.

It is an arithmetic number, because the mean of its divisors is an integer number (145342722).

Almost surely, 2^747476844 is an apocalyptic number.

It is an amenable number.

747476844 is an abundant number, since it is smaller than the sum of its proper divisors (996635820).

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

747476844 is a wasteful number, since it uses less digits than its factorization.

747476844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62289744 (or 62289742 counting only the distinct ones).

The product of its digits is 4214784, while the sum is 51.

The square root of 747476844 is about 27340.0227505392. The cubic root of 747476844 is about 907.5402897821.

The spelling of 747476844 in words is "seven hundred forty-seven million, four hundred seventy-six thousand, eight hundred forty-four".