674285617 has 2 divisors, whose sum is σ = 674285618. Its totient is φ = 674285616.

The previous prime is 674285611. The next prime is 674285639. The reversal of 674285617 is 716582476.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483956001 + 190329616 = 21999^2 + 13796^2 .

It is a cyclic number.

It is not a de Polignac number, because 674285617 - 2¹⁹ = 673761329 is a prime.

It is a super-2 number, since 2×674285617² = 909322186586141378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (674285611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337142808 + 337142809.

It is an arithmetic number, because the mean of its divisors is an integer number (337142809).

Almost surely, 2^674285617 is an apocalyptic number.

It is an amenable number.

674285617 is a deficient number, since it is larger than the sum of its proper divisors (1).

674285617 is an equidigital number, since it uses as much as digits as its factorization.

674285617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 674285617 is about 25967.0101667481. The cubic root of 674285617 is about 876.8957502176.

The spelling of 674285617 in words is "six hundred seventy-four million, two hundred eighty-five thousand, six hundred seventeen".