674239999 has 2 divisors, whose sum is σ = 674240000. Its totient is φ = 674239998.

The previous prime is 674239991. The next prime is 674240027. The reversal of 674239999 is 999932476.

674239999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674239999 - 2³ = 674239991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674239991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337119999 + 337120000.

It is an arithmetic number, because the mean of its divisors is an integer number (337120000).

Almost surely, 2^674239999 is an apocalyptic number.

674239999 is a deficient number, since it is larger than the sum of its proper divisors (1).

674239999 is an equidigital number, since it uses as much as digits as its factorization.

674239999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6613488, while the sum is 58.

The square root of 674239999 is about 25966.1317681321. The cubic root of 674239999 is about 876.8759746549.

The spelling of 674239999 in words is "six hundred seventy-four million, two hundred thirty-nine thousand, nine hundred ninety-nine".