744407431 has 2 divisors, whose sum is σ = 744407432. Its totient is φ = 744407430.

The previous prime is 744407401. The next prime is 744407437. The reversal of 744407431 is 134704447.

744407431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 744407431 - 2⁵ = 744407399 is a prime.

It is a super-2 number, since 2×744407431² = 1108284846656039522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744407437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372203715 + 372203716.

It is an arithmetic number, because the mean of its divisors is an integer number (372203716).

Almost surely, 2^744407431 is an apocalyptic number.

744407431 is a deficient number, since it is larger than the sum of its proper divisors (1).

744407431 is an equidigital number, since it uses as much as digits as its factorization.

744407431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 744407431 is about 27283.8309443524. The cubic root of 744407431 is about 906.2963548798.

The spelling of 744407431 in words is "seven hundred forty-four million, four hundred seven thousand, four hundred thirty-one".