47168904 has 32 divisors (see below), whose sum is σ = 118170720. Its totient is φ = 15689856.

The previous prime is 47168899. The next prime is 47168909. The reversal of 47168904 is 40986174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47168899) and next prime (47168909).

It is a super-2 number, since 2×47168904² = 4449811009122432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47168909) 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, 11332 + ... + 14924.

It is an arithmetic number, because the mean of its divisors is an integer number (3692835).

Almost surely, 2^47168904 is an apocalyptic number.

It is an amenable number.

47168904 is an abundant number, since it is smaller than the sum of its proper divisors (71001816).

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

47168904 is a wasteful number, since it uses less digits than its factorization.

47168904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 47168904 is about 6867.9621431688. The cubic root of 47168904 is about 361.3143927231.

The spelling of 47168904 in words is "forty-seven million, one hundred sixty-eight thousand, nine hundred four".