47059917 has 8 divisors (see below), whose sum is σ = 63075840. Its totient is φ = 31208640.

The previous prime is 47059889. The next prime is 47059933. The reversal of 47059917 is 71995074.

It is a happy number.

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

It is not a de Polignac number, because 47059917 - 2²⁰ = 46011341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47059997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40492 + ... + 41637.

It is an arithmetic number, because the mean of its divisors is an integer number (7884480).

Almost surely, 2^47059917 is an apocalyptic number.

It is an amenable number.

47059917 is a deficient number, since it is larger than the sum of its proper divisors (16015923).

47059917 is a wasteful number, since it uses less digits than its factorization.

47059917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82323.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 47059917 is about 6860.0231049174. The cubic root of 47059917 is about 361.0358975258.

The spelling of 47059917 in words is "forty-seven million, fifty-nine thousand, nine hundred seventeen".