744530729 has 2 divisors, whose sum is σ = 744530730. Its totient is φ = 744530728.

The previous prime is 744530711. The next prime is 744530741. The reversal of 744530729 is 927035447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 540469504 + 204061225 = 23248^2 + 14285^2 .

It is a cyclic number.

It is not a de Polignac number, because 744530729 - 2²⁸ = 476095273 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_38435837 and since 744530729 and 38435837 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (744530749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372265364 + 372265365.

It is an arithmetic number, because the mean of its divisors is an integer number (372265365).

Almost surely, 2^744530729 is an apocalyptic number.

It is an amenable number.

744530729 is a deficient number, since it is larger than the sum of its proper divisors (1).

744530729 is an equidigital number, since it uses as much as digits as its factorization.

744530729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 744530729 is about 27286.0903941917. The cubic root of 744530729 is about 906.3463894685.

The spelling of 744530729 in words is "seven hundred forty-four million, five hundred thirty thousand, seven hundred twenty-nine".