674964677 has 2 divisors, whose sum is σ = 674964678. Its totient is φ = 674964676.

The previous prime is 674964671. The next prime is 674964691. The reversal of 674964677 is 776469476.

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., 670084996 + 4879681 = 25886^2 + 2209^2 .

It is a cyclic number.

It is not a de Polignac number, because 674964677 - 2¹² = 674960581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674964671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337482338 + 337482339.

It is an arithmetic number, because the mean of its divisors is an integer number (337482339).

Almost surely, 2^674964677 is an apocalyptic number.

It is an amenable number.

674964677 is a deficient number, since it is larger than the sum of its proper divisors (1).

674964677 is an equidigital number, since it uses as much as digits as its factorization.

674964677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 56.

The square root of 674964677 is about 25980.0823131875. The cubic root of 674964677 is about 877.1900197038.

The spelling of 674964677 in words is "six hundred seventy-four million, nine hundred sixty-four thousand, six hundred seventy-seven".