47280872 has 32 divisors (see below), whose sum is σ = 92776320. Its totient is φ = 22565760.

The previous prime is 47280851. The next prime is 47280887. The reversal of 47280872 is 27808274.

47280872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13883 + ... + 16949.

It is an arithmetic number, because the mean of its divisors is an integer number (2899260).

Almost surely, 2^47280872 is an apocalyptic number.

It is an amenable number.

47280872 is a deficient number, since it is larger than the sum of its proper divisors (45495448).

47280872 is a wasteful number, since it uses less digits than its factorization.

47280872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161 (or 3157 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 47280872 is about 6876.1087833163. The cubic root of 47280872 is about 361.6000588991.

The spelling of 47280872 in words is "forty-seven million, two hundred eighty thousand, eight hundred seventy-two".