744343673 has 2 divisors, whose sum is σ = 744343674. Its totient is φ = 744343672.

The previous prime is 744343651. The next prime is 744343693. The reversal of 744343673 is 376343447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 585785209 + 158558464 = 24203^2 + 12592^2 .

It is an emirp because it is prime and its reverse (376343447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744343673 - 2⁸ = 744343417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 744343673.

It is not a weakly prime, because it can be changed into another prime (744343693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372171836 + 372171837.

It is an arithmetic number, because the mean of its divisors is an integer number (372171837).

Almost surely, 2^744343673 is an apocalyptic number.

It is an amenable number.

744343673 is a deficient number, since it is larger than the sum of its proper divisors (1).

744343673 is an equidigital number, since it uses as much as digits as its factorization.

744343673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 41.

The square root of 744343673 is about 27282.6624983706. The cubic root of 744343673 is about 906.2704795816.

The spelling of 744343673 in words is "seven hundred forty-four million, three hundred forty-three thousand, six hundred seventy-three".