47831974 has 8 divisors (see below), whose sum is σ = 71882208. Its totient is φ = 23871240.

The previous prime is 47831951. The next prime is 47831983. The reversal of 47831974 is 47913874.

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 47831974.

It is a congruent number.

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, 21022 + ... + 23185.

It is an arithmetic number, because the mean of its divisors is an integer number (8985276).

Almost surely, 2^47831974 is an apocalyptic number.

47831974 is a deficient number, since it is larger than the sum of its proper divisors (24050234).

47831974 is a wasteful number, since it uses less digits than its factorization.

47831974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44750.

The product of its digits is 169344, while the sum is 43.

The square root of 47831974 is about 6916.0663675242. The cubic root of 47831974 is about 362.9995623649. Note that the first 3 decimals are identical.

The spelling of 47831974 in words is "forty-seven million, eight hundred thirty-one thousand, nine hundred seventy-four".