47872564 has 6 divisors (see below), whose sum is σ = 83776994. Its totient is φ = 23936280.

The previous prime is 47872553. The next prime is 47872589. The reversal of 47872564 is 46527874.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 152100 = 6908^2 + 390^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47872564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5984067 + ... + 5984074.

Almost surely, 2^47872564 is an apocalyptic number.

It is an amenable number.

47872564 is a deficient number, since it is larger than the sum of its proper divisors (35904430).

47872564 is a wasteful number, since it uses less digits than its factorization.

47872564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11968145 (or 11968143 counting only the distinct ones).

The product of its digits is 376320, while the sum is 43.

The square root of 47872564 is about 6919.0002167943. Note that the first 3 decimals coincide. The cubic root of 47872564 is about 363.1022132711.

The spelling of 47872564 in words is "forty-seven million, eight hundred seventy-two thousand, five hundred sixty-four".