674334917 has 2 divisors, whose sum is σ = 674334918. Its totient is φ = 674334916.

The previous prime is 674334889. The next prime is 674334919. The reversal of 674334917 is 719433476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 674233156 + 101761 = 25966^2 + 319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674334917 is a prime.

Together with 674334919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674334919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337167458 + 337167459.

It is an arithmetic number, because the mean of its divisors is an integer number (337167459).

Almost surely, 2^674334917 is an apocalyptic number.

It is an amenable number.

674334917 is a deficient number, since it is larger than the sum of its proper divisors (1).

674334917 is an equidigital number, since it uses as much as digits as its factorization.

674334917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 674334917 is about 25967.9594308063. The cubic root of 674334917 is about 876.9171209374.

The spelling of 674334917 in words is "six hundred seventy-four million, three hundred thirty-four thousand, nine hundred seventeen".