744473243 has 2 divisors, whose sum is σ = 744473244. Its totient is φ = 744473242.

The previous prime is 744473227. The next prime is 744473281. The reversal of 744473243 is 342374447.

It is an a-pointer prime, because the next prime (744473281) can be obtained adding 744473243 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 744473243 - 2⁴ = 744473227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 744473197 and 744473206.

It is not a weakly prime, because it can be changed into another prime (744478243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372236621 + 372236622.

It is an arithmetic number, because the mean of its divisors is an integer number (372236622).

Almost surely, 2^744473243 is an apocalyptic number.

744473243 is a deficient number, since it is larger than the sum of its proper divisors (1).

744473243 is an equidigital number, since it uses as much as digits as its factorization.

744473243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 38.

The square root of 744473243 is about 27285.0369800006. The cubic root of 744473243 is about 906.3230622158.

The spelling of 744473243 in words is "seven hundred forty-four million, four hundred seventy-three thousand, two hundred forty-three".