674466239 has 2 divisors, whose sum is σ = 674466240. Its totient is φ = 674466238.

The previous prime is 674466197. The next prime is 674466257. The reversal of 674466239 is 932664476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674466239 - 2⁸ = 674465983 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 674466193 and 674466202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674466439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337233119 + 337233120.

It is an arithmetic number, because the mean of its divisors is an integer number (337233120).

Almost surely, 2^674466239 is an apocalyptic number.

674466239 is a deficient number, since it is larger than the sum of its proper divisors (1).

674466239 is an equidigital number, since it uses as much as digits as its factorization.

674466239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 47.

The square root of 674466239 is about 25970.4878467849. The cubic root of 674466239 is about 876.9740417308.

The spelling of 674466239 in words is "six hundred seventy-four million, four hundred sixty-six thousand, two hundred thirty-nine".