749729243 has 2 divisors, whose sum is σ = 749729244. Its totient is φ = 749729242.

The previous prime is 749729231. The next prime is 749729251. The reversal of 749729243 is 342927947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 749729243 - 2⁶ = 749729179 is a prime.

It is not a weakly prime, because it can be changed into another prime (749729273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374864621 + 374864622.

It is an arithmetic number, because the mean of its divisors is an integer number (374864622).

Almost surely, 2^749729243 is an apocalyptic number.

749729243 is a deficient number, since it is larger than the sum of its proper divisors (1).

749729243 is an equidigital number, since it uses as much as digits as its factorization.

749729243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 762048, while the sum is 47.

The square root of 749729243 is about 27381.1841051478. The cubic root of 749729243 is about 908.4509503411.

The spelling of 749729243 in words is "seven hundred forty-nine million, seven hundred twenty-nine thousand, two hundred forty-three".