749764724 has 12 divisors (see below), whose sum is σ = 1357332900. Its totient is φ = 361955328.

The previous prime is 749764723. The next prime is 749764739. The reversal of 749764724 is 427467947.

It can be written as a sum of positive squares in 2 ways, for example, as 233111824 + 516652900 = 15268^2 + 22730^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749764723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231629 + ... + 3231860.

It is an arithmetic number, because the mean of its divisors is an integer number (113111075).

Almost surely, 2^749764724 is an apocalyptic number.

It is an amenable number.

749764724 is a deficient number, since it is larger than the sum of its proper divisors (607568176).

749764724 is a wasteful number, since it uses less digits than its factorization.

749764724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6463522 (or 6463520 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 50.

The square root of 749764724 is about 27381.8320059122. The cubic root of 749764724 is about 908.4652809544.

The spelling of 749764724 in words is "seven hundred forty-nine million, seven hundred sixty-four thousand, seven hundred twenty-four".