722761243 has 8 divisors (see below), whose sum is σ = 757609776. Its totient is φ = 688732800.

The previous prime is 722761241. The next prime is 722761267. The reversal of 722761243 is 342167227.

722761243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 722761243 - 2¹ = 722761241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722761199 and 722761208.

It is not an unprimeable number, because it can be changed into a prime (722761241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203218 + ... + 206743.

It is an arithmetic number, because the mean of its divisors is an integer number (94701222).

Almost surely, 2^722761243 is an apocalyptic number.

722761243 is a deficient number, since it is larger than the sum of its proper divisors (34848533).

722761243 is a wasteful number, since it uses less digits than its factorization.

722761243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410045.

The product of its digits is 28224, while the sum is 34.

The square root of 722761243 is about 26884.2192187164. The cubic root of 722761243 is about 897.4252513896.

The spelling of 722761243 in words is "seven hundred twenty-two million, seven hundred sixty-one thousand, two hundred forty-three".