674045893 has 2 divisors, whose sum is σ = 674045894. Its totient is φ = 674045892.

The previous prime is 674045837. The next prime is 674045899. The reversal of 674045893 is 398540476.

674045893 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., 674025444 + 20449 = 25962^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 674045893 - 2²⁵ = 640491461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674045899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337022946 + 337022947.

It is an arithmetic number, because the mean of its divisors is an integer number (337022947).

Almost surely, 2^674045893 is an apocalyptic number.

It is an amenable number.

674045893 is a deficient number, since it is larger than the sum of its proper divisors (1).

674045893 is an equidigital number, since it uses as much as digits as its factorization.

674045893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 674045893 is about 25962.3938226043. The cubic root of 674045893 is about 876.7918190504.

The spelling of 674045893 in words is "six hundred seventy-four million, forty-five thousand, eight hundred ninety-three".