47418315 has 32 divisors (see below), whose sum is σ = 87768576. Its totient is φ = 21411840.

The previous prime is 47418311. The next prime is 47418323. The reversal of 47418315 is 51381474.

It is not a de Polignac number, because 47418315 - 2² = 47418311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47418311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5995 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (2742768).

Almost surely, 2^47418315 is an apocalyptic number.

47418315 is a deficient number, since it is larger than the sum of its proper divisors (40350261).

47418315 is a wasteful number, since it uses less digits than its factorization.

47418315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539.

The product of its digits is 13440, while the sum is 33.

The square root of 47418315 is about 6886.0957733682. The cubic root of 47418315 is about 361.9501040272.

Adding to 47418315 its reverse (51381474), we get a palindrome (98799789).

The spelling of 47418315 in words is "forty-seven million, four hundred eighteen thousand, three hundred fifteen".