47090017 has 16 divisors (see below), whose sum is σ = 55015632. Its totient is φ = 39905280.

The previous prime is 47089979. The next prime is 47090027. The reversal of 47090017 is 71009074.

It can be written as a sum of positive squares in 8 ways, for example, as 5564881 + 41525136 = 2359^2 + 6444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47090017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47090027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6463 + ... + 11659.

It is an arithmetic number, because the mean of its divisors is an integer number (3438477).

Almost surely, 2^47090017 is an apocalyptic number.

It is an amenable number.

47090017 is a deficient number, since it is larger than the sum of its proper divisors (7925615).

47090017 is a wasteful number, since it uses less digits than its factorization.

47090017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 47090017 is about 6862.2166243860. The cubic root of 47090017 is about 361.1128551939.

The spelling of 47090017 in words is "forty-seven million, ninety thousand, seventeen".