74116944217 has 2 divisors, whose sum is σ = 74116944218. Its totient is φ = 74116944216.

The previous prime is 74116944191. The next prime is 74116944247. The reversal of 74116944217 is 71244961147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39224198601 + 34892745616 = 198051^2 + 186796^2 .

It is a cyclic number.

It is not a de Polignac number, because 74116944217 - 2¹¹ = 74116942169 is a prime.

It is not a weakly prime, because it can be changed into another prime (74116944247) 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, 37058472108 + 37058472109.

It is an arithmetic number, because the mean of its divisors is an integer number (37058472109).

Almost surely, 2^74116944217 is an apocalyptic number.

It is an amenable number.

74116944217 is a deficient number, since it is larger than the sum of its proper divisors (1).

74116944217 is an equidigital number, since it uses as much as digits as its factorization.

74116944217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The spelling of 74116944217 in words is "seventy-four billion, one hundred sixteen million, nine hundred forty-four thousand, two hundred seventeen".