47459918 has 8 divisors (see below), whose sum is σ = 77661720. Its totient is φ = 21572680.

The previous prime is 47459911. The next prime is 47459969. The reversal of 47459918 is 81995474.

47459918 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47459911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078613 + ... + 1078656.

It is an arithmetic number, because the mean of its divisors is an integer number (9707715).

Almost surely, 2^47459918 is an apocalyptic number.

47459918 is a deficient number, since it is larger than the sum of its proper divisors (30201802).

47459918 is a wasteful number, since it uses less digits than its factorization.

47459918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157282.

The product of its digits is 362880, while the sum is 47.

The square root of 47459918 is about 6889.1159084457. The cubic root of 47459918 is about 362.0559267702.

The spelling of 47459918 in words is "forty-seven million, four hundred fifty-nine thousand, nine hundred eighteen".