47317648 has 20 divisors (see below), whose sum is σ = 104775040. Its totient is φ = 20278944.

The previous prime is 47317637. The next prime is 47317679. The reversal of 47317648 is 84671374.

It is a self number, because there is not a number n which added to its sum of digits gives 47317648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211128 + ... + 211351.

It is an arithmetic number, because the mean of its divisors is an integer number (5238752).

Almost surely, 2^47317648 is an apocalyptic number.

It is an amenable number.

47317648 is an abundant number, since it is smaller than the sum of its proper divisors (57457392).

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

47317648 is a wasteful number, since it uses less digits than its factorization.

47317648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422494 (or 422488 counting only the distinct ones).

The product of its digits is 112896, while the sum is 40.

The square root of 47317648 is about 6878.7824504050. The cubic root of 47317648 is about 361.6937878345.

The spelling of 47317648 in words is "forty-seven million, three hundred seventeen thousand, six hundred forty-eight".