47804172 has 24 divisors (see below), whose sum is σ = 120123696. Its totient is φ = 14708928.

The previous prime is 47804167. The next prime is 47804179. The reversal of 47804172 is 27140874.

It is not an unprimeable number, because it can be changed into a prime (47804179) 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, 153063 + ... + 153374.

It is an arithmetic number, because the mean of its divisors is an integer number (5005154).

Almost surely, 2^47804172 is an apocalyptic number.

It is an amenable number.

47804172 is an abundant number, since it is smaller than the sum of its proper divisors (72319524).

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

47804172 is a wasteful number, since it uses less digits than its factorization.

47804172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306457 (or 306455 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 47804172 is about 6914.0561177937. The cubic root of 47804172 is about 362.9292184161.

The spelling of 47804172 in words is "forty-seven million, eight hundred four thousand, one hundred seventy-two".