47715172 has 6 divisors (see below), whose sum is σ = 83501558. Its totient is φ = 23857584.

The previous prime is 47715149. The next prime is 47715181. The reversal of 47715172 is 27151774.

It can be written as a sum of positive squares in only one way, i.e., 45077796 + 2637376 = 6714^2 + 1624^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5964393 + ... + 5964400.

Almost surely, 2^47715172 is an apocalyptic number.

It is an amenable number.

47715172 is a deficient number, since it is larger than the sum of its proper divisors (35786386).

47715172 is a wasteful number, since it uses less digits than its factorization.

47715172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11928797 (or 11928795 counting only the distinct ones).

The product of its digits is 13720, while the sum is 34.

The square root of 47715172 is about 6907.6169552169. The cubic root of 47715172 is about 362.7038491980.

The spelling of 47715172 in words is "forty-seven million, seven hundred fifteen thousand, one hundred seventy-two".