47237172 has 48 divisors (see below), whose sum is σ = 114912000. Its totient is φ = 15084160.

The previous prime is 47237161. The next prime is 47237191. The reversal of 47237172 is 27173274.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51397 + ... + 52307.

It is an arithmetic number, because the mean of its divisors is an integer number (2394000).

Almost surely, 2^47237172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47237172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57456000).

47237172 is an abundant number, since it is smaller than the sum of its proper divisors (67674828).

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

47237172 is a wasteful number, since it uses less digits than its factorization.

47237172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096 (or 1094 counting only the distinct ones).

The product of its digits is 16464, while the sum is 33.

The square root of 47237172 is about 6872.9303793942. The cubic root of 47237172 is about 361.4886199402.

The spelling of 47237172 in words is "forty-seven million, two hundred thirty-seven thousand, one hundred seventy-two".