47215874 has 16 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 22323024.

The previous prime is 47215873. The next prime is 47215877. The reversal of 47215874 is 47851274.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (47215873) 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, 29507 + ... + 31065.

It is an arithmetic number, because the mean of its divisors is an integer number (4668300).

Almost surely, 2^47215874 is an apocalyptic number.

47215874 is a deficient number, since it is larger than the sum of its proper divisors (27476926).

47215874 is a wasteful number, since it uses less digits than its factorization.

47215874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377.

The product of its digits is 62720, while the sum is 38.

The square root of 47215874 is about 6871.3807928247. The cubic root of 47215874 is about 361.4342831988.

The spelling of 47215874 in words is "forty-seven million, two hundred fifteen thousand, eight hundred seventy-four".