744530749 has 2 divisors, whose sum is σ = 744530750. Its totient is φ = 744530748.

The previous prime is 744530741. The next prime is 744530783. The reversal of 744530749 is 947035447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462895225 + 281635524 = 21515^2 + 16782^2 .

It is a cyclic number.

It is not a de Polignac number, because 744530749 - 2³ = 744530741 is a prime.

It is equal to p_38435839 and since 744530749 and 38435839 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744530741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372265374 + 372265375.

It is an arithmetic number, because the mean of its divisors is an integer number (372265375).

Almost surely, 2^744530749 is an apocalyptic number.

It is an amenable number.

744530749 is a deficient number, since it is larger than the sum of its proper divisors (1).

744530749 is an equidigital number, since it uses as much as digits as its factorization.

744530749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 744530749 is about 27286.0907606788. The cubic root of 744530749 is about 906.3463975841.

The spelling of 744530749 in words is "seven hundred forty-four million, five hundred thirty thousand, seven hundred forty-nine".