47444017 has 2 divisors, whose sum is σ = 47444018. Its totient is φ = 47444016.

The previous prime is 47443997. The next prime is 47444021. The reversal of 47444017 is 71044474.

47444017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46662561 + 781456 = 6831^2 + 884^2 .

It is a cyclic number.

It is not a de Polignac number, because 47444017 - 2¹¹ = 47441969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47444017.

It is not a weakly prime, because it can be changed into another prime (47444717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23722008 + 23722009.

It is an arithmetic number, because the mean of its divisors is an integer number (23722009).

Almost surely, 2^47444017 is an apocalyptic number.

It is an amenable number.

47444017 is a deficient number, since it is larger than the sum of its proper divisors (1).

47444017 is an equidigital number, since it uses as much as digits as its factorization.

47444017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 47444017 is about 6887.9617449576. The cubic root of 47444017 is about 362.0154877738.

The spelling of 47444017 in words is "forty-seven million, four hundred forty-four thousand, seventeen".