674289677 has 2 divisors, whose sum is σ = 674289678. Its totient is φ = 674289676.

The previous prime is 674289659. The next prime is 674289703. The reversal of 674289677 is 776982476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 337603876 + 336685801 = 18374^2 + 18349^2 .

It is a cyclic number.

It is not a de Polignac number, because 674289677 - 2²⁶ = 607180813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674289607) 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, 337144838 + 337144839.

It is an arithmetic number, because the mean of its divisors is an integer number (337144839).

Almost surely, 2^674289677 is an apocalyptic number.

It is an amenable number.

674289677 is a deficient number, since it is larger than the sum of its proper divisors (1).

674289677 is an equidigital number, since it uses as much as digits as its factorization.

674289677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7112448, while the sum is 56.

The square root of 674289677 is about 25967.0883427465. The cubic root of 674289677 is about 876.8975101986.

The spelling of 674289677 in words is "six hundred seventy-four million, two hundred eighty-nine thousand, six hundred seventy-seven".