674205373 has 2 divisors, whose sum is σ = 674205374. Its totient is φ = 674205372.

The previous prime is 674205289. The next prime is 674205407. The reversal of 674205373 is 373502476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 521756964 + 152448409 = 22842^2 + 12347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674205373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674205073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337102686 + 337102687.

It is an arithmetic number, because the mean of its divisors is an integer number (337102687).

Almost surely, 2^674205373 is an apocalyptic number.

It is an amenable number.

674205373 is a deficient number, since it is larger than the sum of its proper divisors (1).

674205373 is an equidigital number, since it uses as much as digits as its factorization.

674205373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 674205373 is about 25965.4650064273. The cubic root of 674205373 is about 876.8609635672.

The spelling of 674205373 in words is "six hundred seventy-four million, two hundred five thousand, three hundred seventy-three".