674617217 has 2 divisors, whose sum is σ = 674617218. Its totient is φ = 674617216.

The previous prime is 674617183. The next prime is 674617243. The reversal of 674617217 is 712716476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667240561 + 7376656 = 25831^2 + 2716^2 .

It is a cyclic number.

It is not a de Polignac number, because 674617217 - 2⁸ = 674616961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674617267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337308608 + 337308609.

It is an arithmetic number, because the mean of its divisors is an integer number (337308609).

Almost surely, 2^674617217 is an apocalyptic number.

It is an amenable number.

674617217 is a deficient number, since it is larger than the sum of its proper divisors (1).

674617217 is an equidigital number, since it uses as much as digits as its factorization.

674617217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 98784, while the sum is 41.

The square root of 674617217 is about 25973.3944065846. The cubic root of 674617217 is about 877.0394731792.

The spelling of 674617217 in words is "six hundred seventy-four million, six hundred seventeen thousand, two hundred seventeen".