47316637 has 2 divisors, whose sum is σ = 47316638. Its totient is φ = 47316636.

The previous prime is 47316617. The next prime is 47316653. The reversal of 47316637 is 73661374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41718681 + 5597956 = 6459^2 + 2366^2 .

It is a cyclic number.

It is not a de Polignac number, because 47316637 - 2¹⁹ = 46792349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47316596 and 47316605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47316617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23658318 + 23658319.

It is an arithmetic number, because the mean of its divisors is an integer number (23658319).

Almost surely, 2^47316637 is an apocalyptic number.

It is an amenable number.

47316637 is a deficient number, since it is larger than the sum of its proper divisors (1).

47316637 is an equidigital number, since it uses as much as digits as its factorization.

47316637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 37.

The square root of 47316637 is about 6878.7089631703. The cubic root of 47316637 is about 361.6912118046.

The spelling of 47316637 in words is "forty-seven million, three hundred sixteen thousand, six hundred thirty-seven".