47687872 has 28 divisors (see below), whose sum is σ = 99613720. Its totient is φ = 22588416.

The previous prime is 47687851. The next prime is 47687917. The reversal of 47687872 is 27878674.

It is a happy number.

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, 18393 + ... + 20824.

Almost surely, 2^47687872 is an apocalyptic number.

It is an amenable number.

47687872 is an abundant number, since it is smaller than the sum of its proper divisors (51925848).

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

47687872 is a wasteful number, since it uses less digits than its factorization.

47687872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39248 (or 39238 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 49.

The square root of 47687872 is about 6905.6405930225. The cubic root of 47687872 is about 362.6346629295.

The spelling of 47687872 in words is "forty-seven million, six hundred eighty-seven thousand, eight hundred seventy-two".