47120918 has 24 divisors (see below), whose sum is σ = 77299200. Its totient is φ = 21531744.

The previous prime is 47120903. The next prime is 47120929. The reversal of 47120918 is 81902174.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36203 + ... + 37481.

It is an arithmetic number, because the mean of its divisors is an integer number (3220800).

Almost surely, 2^47120918 is an apocalyptic number.

47120918 is a deficient number, since it is larger than the sum of its proper divisors (30178282).

47120918 is a wasteful number, since it uses less digits than its factorization.

47120918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1403 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 47120918 is about 6864.4677870903. The cubic root of 47120918 is about 361.1918266978.

The spelling of 47120918 in words is "forty-seven million, one hundred twenty thousand, nine hundred eighteen".