47315842 has 16 divisors (see below), whose sum is σ = 81342720. Its totient is φ = 20220768.

The previous prime is 47315837. The next prime is 47315843. The reversal of 47315842 is 24851374.

It is a junction number, because it is equal to n+sod(n) for n = 47315798 and 47315807.

It is not an unprimeable number, because it can be changed into a prime (47315843) 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, 534 + ... + 9742.

It is an arithmetic number, because the mean of its divisors is an integer number (5083920).

Almost surely, 2^47315842 is an apocalyptic number.

47315842 is a deficient number, since it is larger than the sum of its proper divisors (34026878).

47315842 is a wasteful number, since it uses less digits than its factorization.

47315842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9585.

The product of its digits is 26880, while the sum is 34.

The square root of 47315842 is about 6878.6511759210. The cubic root of 47315842 is about 361.6891861174.

The spelling of 47315842 in words is "forty-seven million, three hundred fifteen thousand, eight hundred forty-two".