47018872 has 16 divisors (see below), whose sum is σ = 93346560. Its totient is φ = 22126464.

The previous prime is 47018857. The next prime is 47018879. The reversal of 47018872 is 27881074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47018879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172728 + ... + 172999.

It is an arithmetic number, because the mean of its divisors is an integer number (5834160).

Almost surely, 2^47018872 is an apocalyptic number.

It is an amenable number.

47018872 is a deficient number, since it is larger than the sum of its proper divisors (46327688).

47018872 is a wasteful number, since it uses less digits than its factorization.

47018872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345750 (or 345746 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 47018872 is about 6857.0308443232. The cubic root of 47018872 is about 360.9309035119.

The spelling of 47018872 in words is "forty-seven million, eighteen thousand, eight hundred seventy-two".