47315904 has 56 divisors (see below), whose sum is σ = 125778768. Its totient is φ = 15697920.

The previous prime is 47315881. The next prime is 47315923. The reversal of 47315904 is 40951374.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53514 + ... + 54390.

Almost surely, 2^47315904 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 47315904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62889384).

47315904 is an abundant number, since it is smaller than the sum of its proper divisors (78462864).

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

47315904 is a wasteful number, since it uses less digits than its factorization.

47315904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 47315904 is about 6878.6556826171. The cubic root of 47315904 is about 361.6893440963.

The spelling of 47315904 in words is "forty-seven million, three hundred fifteen thousand, nine hundred four".