747130172 has 12 divisors (see below), whose sum is σ = 1307851776. Its totient is φ = 373458240.

The previous prime is 747130147. The next prime is 747130201. The reversal of 747130172 is 271031747.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9788 + ... + 39875.

It is an arithmetic number, because the mean of its divisors is an integer number (108987648).

Almost surely, 2^747130172 is an apocalyptic number.

It is an amenable number.

747130172 is a deficient number, since it is larger than the sum of its proper divisors (560721604).

747130172 is a wasteful number, since it uses less digits than its factorization.

747130172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53428 (or 53426 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 747130172 is about 27333.6820059062. The cubic root of 747130172 is about 907.3999654981.

The spelling of 747130172 in words is "seven hundred forty-seven million, one hundred thirty thousand, one hundred seventy-two".