674074669 has 2 divisors, whose sum is σ = 674074670. Its totient is φ = 674074668.

The previous prime is 674074657. The next prime is 674074711. The reversal of 674074669 is 966470476.

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., 613156644 + 60918025 = 24762^2 + 7805^2 .

It is a cyclic number.

It is not a de Polignac number, because 674074669 - 2²¹ = 671977517 is a prime.

It is a super-2 number, since 2×674074669² = 908753318774919122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674074169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337037334 + 337037335.

It is an arithmetic number, because the mean of its divisors is an integer number (337037335).

Almost surely, 2^674074669 is an apocalyptic number.

It is an amenable number.

674074669 is a deficient number, since it is larger than the sum of its proper divisors (1).

674074669 is an equidigital number, since it uses as much as digits as its factorization.

674074669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 49.

The square root of 674074669 is about 25962.9480028752. The cubic root of 674074669 is about 876.8042960457.

The spelling of 674074669 in words is "six hundred seventy-four million, seventy-four thousand, six hundred sixty-nine".