749344993 has 2 divisors, whose sum is σ = 749344994. Its totient is φ = 749344992.

The previous prime is 749344919. The next prime is 749344997. The reversal of 749344993 is 399443947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 438986304 + 310358689 = 20952^2 + 17617^2 .

It is a cyclic number.

It is not a de Polignac number, because 749344993 - 2²¹ = 747247841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 749344993.

It is not a weakly prime, because it can be changed into another prime (749344997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374672496 + 374672497.

It is an arithmetic number, because the mean of its divisors is an integer number (374672497).

Almost surely, 2^749344993 is an apocalyptic number.

It is an amenable number.

749344993 is a deficient number, since it is larger than the sum of its proper divisors (1).

749344993 is an equidigital number, since it uses as much as digits as its factorization.

749344993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 52.

The square root of 749344993 is about 27374.1665261246. The cubic root of 749344993 is about 908.2957245565.

The spelling of 749344993 in words is "seven hundred forty-nine million, three hundred forty-four thousand, nine hundred ninety-three".