47930018 has 16 divisors (see below), whose sum is σ = 73656000. Its totient is φ = 23384400.

The previous prime is 47930017. The next prime is 47930033. The reversal of 47930018 is 81003974.

It is not an unprimeable number, because it can be changed into a prime (47930017) 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, 14483 + ... + 17481.

It is an arithmetic number, because the mean of its divisors is an integer number (4603500).

Almost surely, 2^47930018 is an apocalyptic number.

47930018 is a deficient number, since it is larger than the sum of its proper divisors (25725982).

47930018 is a wasteful number, since it uses less digits than its factorization.

47930018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 47930018 is about 6923.1508722546. The cubic root of 47930018 is about 363.2474135884.

The spelling of 47930018 in words is "forty-seven million, nine hundred thirty thousand, eighteen".