744420724 has 12 divisors (see below), whose sum is σ = 1302984900. Its totient is φ = 372139328.

The previous prime is 744420697. The next prime is 744420751. The reversal of 744420724 is 427024447.

It is an interprime number because it is at equal distance from previous prime (744420697) and next prime (744420751).

It can be written as a sum of positive squares in 2 ways, for example, as 61121124 + 683299600 = 7818^2 + 26140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 744420724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10992 + ... + 40120.

It is an arithmetic number, because the mean of its divisors is an integer number (108582075).

Almost surely, 2^744420724 is an apocalyptic number.

It is an amenable number.

744420724 is a deficient number, since it is larger than the sum of its proper divisors (558564176).

744420724 is a wasteful number, since it uses less digits than its factorization.

744420724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35522 (or 35520 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 34.

The square root of 744420724 is about 27284.0745490845. The cubic root of 744420724 is about 906.3017494730.

The spelling of 744420724 in words is "seven hundred forty-four million, four hundred twenty thousand, seven hundred twenty-four".