47317660 has 48 divisors (see below), whose sum is σ = 107928576. Its totient is φ = 17321472.

The previous prime is 47317637. The next prime is 47317679. The reversal of 47317660 is 6671374.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32304 + ... + 33736.

It is an arithmetic number, because the mean of its divisors is an integer number (2248512).

Almost surely, 2^47317660 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 47317660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53964288).

47317660 is an abundant number, since it is smaller than the sum of its proper divisors (60610916).

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

47317660 is a wasteful number, since it uses less digits than its factorization.

47317660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582 (or 1580 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 47317660 is about 6878.7833226523. The cubic root of 47317660 is about 361.6938184103.

The spelling of 47317660 in words is "forty-seven million, three hundred seventeen thousand, six hundred sixty".