749557753 has 6 divisors (see below), whose sum is σ = 871934586. Its totient is φ = 642478032.

The previous prime is 749557723. The next prime is 749557763. The reversal of 749557753 is 357755947.

It can be written as a sum of positive squares in only one way, i.e., 714653289 + 34904464 = 26733^2 + 5908^2 .

It is not a de Polignac number, because 749557753 - 2¹⁷ = 749426681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 749557753.

It is not an unprimeable number, because it can be changed into a prime (749557723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7648500 + ... + 7648597.

It is an arithmetic number, because the mean of its divisors is an integer number (145322431).

Almost surely, 2^749557753 is an apocalyptic number.

It is an amenable number.

749557753 is a deficient number, since it is larger than the sum of its proper divisors (122376833).

749557753 is a wasteful number, since it uses less digits than its factorization.

749557753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15297111 (or 15297104 counting only the distinct ones).

The product of its digits is 4630500, while the sum is 52.

The square root of 749557753 is about 27378.0523960343. The cubic root of 749557753 is about 908.3816799412.

The spelling of 749557753 in words is "seven hundred forty-nine million, five hundred fifty-seven thousand, seven hundred fifty-three".