47138475 has 24 divisors (see below), whose sum is σ = 78251440. Its totient is φ = 25038720.

The previous prime is 47138447. The next prime is 47138527. The reversal of 47138475 is 57483174.

It is not a de Polignac number, because 47138475 - 2⁷ = 47138347 is a prime.

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, 19641 + ... + 21909.

Almost surely, 2^47138475 is an apocalyptic number.

47138475 is a deficient number, since it is larger than the sum of its proper divisors (31112965).

47138475 is a wasteful number, since it uses less digits than its factorization.

47138475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559 (or 2554 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 47138475 is about 6865.7464998353. The cubic root of 47138475 is about 361.2366805033.

The spelling of 47138475 in words is "forty-seven million, one hundred thirty-eight thousand, four hundred seventy-five".