47479417 has 2 divisors, whose sum is σ = 47479418. Its totient is φ = 47479416.

The previous prime is 47479381. The next prime is 47479427. The reversal of 47479417 is 71497474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36529936 + 10949481 = 6044^2 + 3309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47479417 is a prime.

It is not a weakly prime, because it can be changed into another prime (47479427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23739708 + 23739709.

It is an arithmetic number, because the mean of its divisors is an integer number (23739709).

Almost surely, 2^47479417 is an apocalyptic number.

It is an amenable number.

47479417 is a deficient number, since it is larger than the sum of its proper divisors (1).

47479417 is an equidigital number, since it uses as much as digits as its factorization.

47479417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 43.

The square root of 47479417 is about 6890.5309664786. The cubic root of 47479417 is about 362.1055037761.

The spelling of 47479417 in words is "forty-seven million, four hundred seventy-nine thousand, four hundred seventeen".