724274536 has 16 divisors (see below), whose sum is σ = 1404843300. Its totient is φ = 349649664.

The previous prime is 724274513. The next prime is 724274539. The reversal of 724274536 is 635472427.

It is a happy number.

724274536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 713424100 + 10850436 = 26710^2 + 3294^2 .

It is not an unprimeable number, because it can be changed into a prime (724274539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1560705 + ... + 1561168.

Almost surely, 2^724274536 is an apocalyptic number.

It is an amenable number.

724274536 is a deficient number, since it is larger than the sum of its proper divisors (680568764).

724274536 is a wasteful number, since it uses less digits than its factorization.

724274536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121908 (or 3121904 counting only the distinct ones).

The product of its digits is 282240, while the sum is 40.

The square root of 724274536 is about 26912.3491356663. The cubic root of 724274536 is about 898.0511476266.

The spelling of 724274536 in words is "seven hundred twenty-four million, two hundred seventy-four thousand, five hundred thirty-six".