749844791 has 2 divisors, whose sum is σ = 749844792. Its totient is φ = 749844790.

The previous prime is 749844779. The next prime is 749844881. The reversal of 749844791 is 197448947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 749844791 - 2⁶ = 749844727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749844731) 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, 374922395 + 374922396.

It is an arithmetic number, because the mean of its divisors is an integer number (374922396).

Almost surely, 2^749844791 is an apocalyptic number.

749844791 is a deficient number, since it is larger than the sum of its proper divisors (1).

749844791 is an equidigital number, since it uses as much as digits as its factorization.

749844791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The square root of 749844791 is about 27383.2940129561. The cubic root of 749844791 is about 908.4976179877.

The spelling of 749844791 in words is "seven hundred forty-nine million, eight hundred forty-four thousand, seven hundred ninety-one".