744668341 has 2 divisors, whose sum is σ = 744668342. Its totient is φ = 744668340.

The previous prime is 744668303. The next prime is 744668389. The reversal of 744668341 is 143866447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742835025 + 1833316 = 27255^2 + 1354^2 .

It is an emirp because it is prime and its reverse (143866447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744668341 - 2⁷ = 744668213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744638341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372334170 + 372334171.

It is an arithmetic number, because the mean of its divisors is an integer number (372334171).

Almost surely, 2^744668341 is an apocalyptic number.

It is an amenable number.

744668341 is a deficient number, since it is larger than the sum of its proper divisors (1).

744668341 is an equidigital number, since it uses as much as digits as its factorization.

744668341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 744668341 is about 27288.6119287882. The cubic root of 744668341 is about 906.4022261860.

The spelling of 744668341 in words is "seven hundred forty-four million, six hundred sixty-eight thousand, three hundred forty-one".