744407687 has 2 divisors, whose sum is σ = 744407688. Its totient is φ = 744407686.

The previous prime is 744407647. The next prime is 744407731. The reversal of 744407687 is 786704447.

744407687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 744407687 - 2⁸ = 744407431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744407617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372203843 + 372203844.

It is an arithmetic number, because the mean of its divisors is an integer number (372203844).

Almost surely, 2^744407687 is an apocalyptic number.

744407687 is a deficient number, since it is larger than the sum of its proper divisors (1).

744407687 is an equidigital number, since it uses as much as digits as its factorization.

744407687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1053696, while the sum is 47.

The square root of 744407687 is about 27283.8356357753. The cubic root of 744407687 is about 906.2964587709.

The spelling of 744407687 in words is "seven hundred forty-four million, four hundred seven thousand, six hundred eighty-seven".