47317522 has 16 divisors (see below), whose sum is σ = 81244800. Its totient is φ = 20246688.

The previous prime is 47317493. The next prime is 47317537. The reversal of 47317522 is 22571374.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7854 + ... + 12502.

It is an arithmetic number, because the mean of its divisors is an integer number (5077800).

Almost surely, 2^47317522 is an apocalyptic number.

47317522 is a deficient number, since it is larger than the sum of its proper divisors (33927278).

47317522 is a wasteful number, since it uses less digits than its factorization.

47317522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385.

The product of its digits is 11760, while the sum is 31.

The square root of 47317522 is about 6878.7732918014. The cubic root of 47317522 is about 361.6934667883.

Adding to 47317522 its reverse (22571374), we get a palindrome (69888896).

The spelling of 47317522 in words is "forty-seven million, three hundred seventeen thousand, five hundred twenty-two".