744431 has 2 divisors, whose sum is σ = 744432. Its totient is φ = 744430.

The previous prime is 744409. The next prime is 744451. The reversal of 744431 is 134447.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 744431 - 2¹⁴ = 728047 is a prime.

It is a super-2 number, since 2×744431² = 1108355027522, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 744397 and 744406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372215 + 372216.

It is an arithmetic number, because the mean of its divisors is an integer number (372216).

2⁷⁴⁴⁴³¹ is an apocalyptic number.

744431 is a deficient number, since it is larger than the sum of its proper divisors (1).

744431 is an equidigital number, since it uses as much as digits as its factorization.

744431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 23.

The square root of 744431 is about 862.8041492714. The cubic root of 744431 is about 90.6305919657.

Adding to 744431 its reverse (134447), we get a palindrome (878878).

The spelling of 744431 in words is "seven hundred forty-four thousand, four hundred thirty-one".