674636317 has 2 divisors, whose sum is σ = 674636318. Its totient is φ = 674636316.

The previous prime is 674636293. The next prime is 674636327. The reversal of 674636317 is 713636476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 661827076 + 12809241 = 25726^2 + 3579^2 .

It is a cyclic number.

It is not a de Polignac number, because 674636317 - 2¹¹ = 674634269 is a prime.

It is a super-4 number, since 4×674636317⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674636327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337318158 + 337318159.

It is an arithmetic number, because the mean of its divisors is an integer number (337318159).

Almost surely, 2^674636317 is an apocalyptic number.

It is an amenable number.

674636317 is a deficient number, since it is larger than the sum of its proper divisors (1).

674636317 is an equidigital number, since it uses as much as digits as its factorization.

674636317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 43.

The square root of 674636317 is about 25973.7620879225. The cubic root of 674636317 is about 877.0477501178.

The spelling of 674636317 in words is "six hundred seventy-four million, six hundred thirty-six thousand, three hundred seventeen".