674489677 has 2 divisors, whose sum is σ = 674489678. Its totient is φ = 674489676.

The previous prime is 674489657. The next prime is 674489689. The reversal of 674489677 is 776984476.

674489677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 656076996 + 18412681 = 25614^2 + 4291^2 .

It is a cyclic number.

It is not a de Polignac number, because 674489677 - 2⁷ = 674489549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674489617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337244838 + 337244839.

It is an arithmetic number, because the mean of its divisors is an integer number (337244839).

Almost surely, 2^674489677 is an apocalyptic number.

It is an amenable number.

674489677 is a deficient number, since it is larger than the sum of its proper divisors (1).

674489677 is an equidigital number, since it uses as much as digits as its factorization.

674489677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 58.

The square root of 674489677 is about 25970.9390858321. The cubic root of 674489677 is about 876.9842000251.

The spelling of 674489677 in words is "six hundred seventy-four million, four hundred eighty-nine thousand, six hundred seventy-seven".