47868660 has 72 divisors (see below), whose sum is σ = 165949056. Its totient is φ = 10941120.

The previous prime is 47868659. The next prime is 47868677. The reversal of 47868660 is 6686874.

It is a happy number.

It is a super-2 number, since 2×47868660² = 4582817220391200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17736 + ... + 20255.

It is an arithmetic number, because the mean of its divisors is an integer number (2304848).

Almost surely, 2^47868660 is an apocalyptic number.

It is an amenable number.

47868660 is an abundant number, since it is smaller than the sum of its proper divisors (118080396).

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

47868660 is a wasteful number, since it uses less digits than its factorization.

47868660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38013 (or 38008 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 47868660 is about 6918.7180893573. The cubic root of 47868660 is about 363.0923426935.

The spelling of 47868660 in words is "forty-seven million, eight hundred sixty-eight thousand, six hundred sixty".