724254242 has 8 divisors (see below), whose sum is σ = 1087617132. Its totient is φ = 361715200.

The previous prime is 724254241. The next prime is 724254257. The reversal of 724254242 is 242452427.

724254242 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 712836601 + 11417641 = 26699^2 + 3379^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 724254199 and 724254208.

It is not an unprimeable number, because it can be changed into a prime (724254241) 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, 203759 + ... + 207282.

Almost surely, 2^724254242 is an apocalyptic number.

724254242 is a deficient number, since it is larger than the sum of its proper divisors (363362890).

724254242 is a wasteful number, since it uses less digits than its factorization.

724254242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411924.

The product of its digits is 35840, while the sum is 32.

The square root of 724254242 is about 26911.9720942186. The cubic root of 724254242 is about 898.0427598219.

It can be divided in two parts, 72425 and 4242, that added together give a palindrome (76667).

The spelling of 724254242 in words is "seven hundred twenty-four million, two hundred fifty-four thousand, two hundred forty-two".