744702769 has 2 divisors, whose sum is σ = 744702770. Its totient is φ = 744702768.

The previous prime is 744702709. The next prime is 744702781. The reversal of 744702769 is 967207447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 743107600 + 1595169 = 27260^2 + 1263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744702769 is a prime.

It is a super-2 number, since 2×744702769² = 1109164428312534722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (744702709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372351384 + 372351385.

It is an arithmetic number, because the mean of its divisors is an integer number (372351385).

Almost surely, 2^744702769 is an apocalyptic number.

It is an amenable number.

744702769 is a deficient number, since it is larger than the sum of its proper divisors (1).

744702769 is an equidigital number, since it uses as much as digits as its factorization.

744702769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 744702769 is about 27289.2427340885. The cubic root of 744702769 is about 906.4161944334.

The spelling of 744702769 in words is "seven hundred forty-four million, seven hundred two thousand, seven hundred sixty-nine".