674240741 has 2 divisors, whose sum is σ = 674240742. Its totient is φ = 674240740.

The previous prime is 674240729. The next prime is 674240773. The reversal of 674240741 is 147042476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668015716 + 6225025 = 25846^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 674240741 - 2¹⁰ = 674239717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674240701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337120370 + 337120371.

It is an arithmetic number, because the mean of its divisors is an integer number (337120371).

Almost surely, 2^674240741 is an apocalyptic number.

It is an amenable number.

674240741 is a deficient number, since it is larger than the sum of its proper divisors (1).

674240741 is an equidigital number, since it uses as much as digits as its factorization.

674240741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 674240741 is about 25966.1460559706. The cubic root of 674240741 is about 876.8762963217.

The spelling of 674240741 in words is "six hundred seventy-four million, two hundred forty thousand, seven hundred forty-one".