674994743 has 2 divisors, whose sum is σ = 674994744. Its totient is φ = 674994742.

The previous prime is 674994739. The next prime is 674994763. The reversal of 674994743 is 347499476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674994743 - 2² = 674994739 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674994763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337497371 + 337497372.

It is an arithmetic number, because the mean of its divisors is an integer number (337497372).

Almost surely, 2^674994743 is an apocalyptic number.

674994743 is a deficient number, since it is larger than the sum of its proper divisors (1).

674994743 is an equidigital number, since it uses as much as digits as its factorization.

674994743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 53.

The square root of 674994743 is about 25980.6609423240. The cubic root of 674994743 is about 877.2030441896.

The spelling of 674994743 in words is "six hundred seventy-four million, nine hundred ninety-four thousand, seven hundred forty-three".