47915994 has 32 divisors (see below), whose sum is σ = 109817856. Its totient is φ = 13653360.

The previous prime is 47915977. The next prime is 47916007. The reversal of 47915994 is 49951974.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16779 + ... + 19425.

It is an arithmetic number, because the mean of its divisors is an integer number (3431808).

Almost surely, 2^47915994 is an apocalyptic number.

47915994 is an abundant number, since it is smaller than the sum of its proper divisors (61901862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47915994 is a wasteful number, since it uses less digits than its factorization.

47915994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090.

The product of its digits is 408240, while the sum is 48.

The square root of 47915994 is about 6922.1379645309. The cubic root of 47915994 is about 363.2119822180.

The spelling of 47915994 in words is "forty-seven million, nine hundred fifteen thousand, nine hundred ninety-four".