747238172 has 6 divisors (see below), whose sum is σ = 1307666808. Its totient is φ = 373619084.

The previous prime is 747238159. The next prime is 747238187. The reversal of 747238172 is 271832747.

747238172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93404768 + ... + 93404775.

It is an arithmetic number, because the mean of its divisors is an integer number (217944468).

Almost surely, 2^747238172 is an apocalyptic number.

It is an amenable number.

747238172 is a deficient number, since it is larger than the sum of its proper divisors (560428636).

747238172 is a wasteful number, since it uses less digits than its factorization.

747238172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186809547 (or 186809545 counting only the distinct ones).

The product of its digits is 131712, while the sum is 41.

The square root of 747238172 is about 27335.6575190720. The cubic root of 747238172 is about 907.4436858913.

The spelling of 747238172 in words is "seven hundred forty-seven million, two hundred thirty-eight thousand, one hundred seventy-two".