744666443 has 2 divisors, whose sum is σ = 744666444. Its totient is φ = 744666442.

The previous prime is 744666431. The next prime is 744666451. The reversal of 744666443 is 344666447.

It is a happy number.

744666443 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 744666443 - 2¹⁶ = 744600907 is a prime.

It is a super-2 number, since 2×744666443² = 1109056222660544498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 744666394 and 744666403.

It is not a weakly prime, because it can be changed into another prime (744666473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372333221 + 372333222.

It is an arithmetic number, because the mean of its divisors is an integer number (372333222).

Almost surely, 2^744666443 is an apocalyptic number.

744666443 is a deficient number, since it is larger than the sum of its proper divisors (1).

744666443 is an equidigital number, since it uses as much as digits as its factorization.

744666443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 44.

The square root of 744666443 is about 27288.5771523544. The cubic root of 744666443 is about 906.4014561103.

The spelling of 744666443 in words is "seven hundred forty-four million, six hundred sixty-six thousand, four hundred forty-three".