47930017 has 2 divisors, whose sum is σ = 47930018. Its totient is φ = 47930016.

The previous prime is 47930009. The next prime is 47930033. The reversal of 47930017 is 71003974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39955041 + 7974976 = 6321^2 + 2824^2 .

It is a cyclic number.

It is not a de Polignac number, because 47930017 - 2³ = 47930009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47930117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23965008 + 23965009.

It is an arithmetic number, because the mean of its divisors is an integer number (23965009).

Almost surely, 2^47930017 is an apocalyptic number.

It is an amenable number.

47930017 is a deficient number, since it is larger than the sum of its proper divisors (1).

47930017 is an equidigital number, since it uses as much as digits as its factorization.

47930017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 47930017 is about 6923.1508000332. The cubic root of 47930017 is about 363.2474110621.

The spelling of 47930017 in words is "forty-seven million, nine hundred thirty thousand, seventeen".