47131172 has 24 divisors (see below), whose sum is σ = 94715040. Its totient is φ = 20295360.

The previous prime is 47131171. The next prime is 47131193. The reversal of 47131172 is 27113174.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47131171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27353 + ... + 29024.

It is an arithmetic number, because the mean of its divisors is an integer number (3946460).

Almost surely, 2^47131172 is an apocalyptic number.

It is an amenable number.

47131172 is an abundant number, since it is smaller than the sum of its proper divisors (47583868).

47131172 is a wasteful number, since it uses less digits than its factorization.

47131172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56411 (or 56409 counting only the distinct ones).

The product of its digits is 1176, while the sum is 26.

The square root of 47131172 is about 6865.2146361203. The cubic root of 47131172 is about 361.2180244923.

It can be divided in two parts, 4713 and 1172, that added together give a palindrome (5885).

The spelling of 47131172 in words is "forty-seven million, one hundred thirty-one thousand, one hundred seventy-two".