47138474 has 8 divisors (see below), whose sum is σ = 70824900. Its totient is φ = 23530176.

The previous prime is 47138447. The next prime is 47138527. The reversal of 47138474 is 47483174.

It can be written as a sum of positive squares in 2 ways, for example, as 27112849 + 20025625 = 5207^2 + 4475^2 .

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

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, 17999 + ... + 20450.

Almost surely, 2^47138474 is an apocalyptic number.

47138474 is a deficient number, since it is larger than the sum of its proper divisors (23686426).

47138474 is a wasteful number, since it uses less digits than its factorization.

47138474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39064.

The product of its digits is 75264, while the sum is 38.

The square root of 47138474 is about 6865.7464270100. The cubic root of 47138474 is about 361.2366779489.

The spelling of 47138474 in words is "forty-seven million, one hundred thirty-eight thousand, four hundred seventy-four".