47566138 has 8 divisors (see below), whose sum is σ = 72209088. Its totient is φ = 23496444.

The previous prime is 47566111. The next prime is 47566151. The reversal of 47566138 is 83166574.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47566138.

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, 143106 + ... + 143437.

It is an arithmetic number, because the mean of its divisors is an integer number (9026136).

Almost surely, 2^47566138 is an apocalyptic number.

47566138 is a deficient number, since it is larger than the sum of its proper divisors (24642950).

47566138 is a wasteful number, since it uses less digits than its factorization.

47566138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286628.

The product of its digits is 120960, while the sum is 40.

The square root of 47566138 is about 6896.8208618174. The cubic root of 47566138 is about 362.3258311945.

The spelling of 47566138 in words is "forty-seven million, five hundred sixty-six thousand, one hundred thirty-eight".