674373613 has 2 divisors, whose sum is σ = 674373614. Its totient is φ = 674373612.

The previous prime is 674373541. The next prime is 674373619. The reversal of 674373613 is 316373476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 623650729 + 50722884 = 24973^2 + 7122^2 .

It is a cyclic number.

It is not a de Polignac number, because 674373613 - 2¹³ = 674365421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674373619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337186806 + 337186807.

It is an arithmetic number, because the mean of its divisors is an integer number (337186807).

Almost surely, 2^674373613 is an apocalyptic number.

It is an amenable number.

674373613 is a deficient number, since it is larger than the sum of its proper divisors (1).

674373613 is an equidigital number, since it uses as much as digits as its factorization.

674373613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 40.

The square root of 674373613 is about 25968.7044921382. The cubic root of 674373613 is about 876.9338942721.

The spelling of 674373613 in words is "six hundred seventy-four million, three hundred seventy-three thousand, six hundred thirteen".