726462522 has 12 divisors (see below), whose sum is σ = 1574002170. Its totient is φ = 242154168.

The previous prime is 726462461. The next prime is 726462553. The reversal of 726462522 is 225264627.

726462522 is a `hidden beast` number, since 7 + 2 + 6 + 4 + 625 + 22 = 666.

726462522 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 only one way, i.e., 674492841 + 51969681 = 25971^2 + 7209^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20179497 + ... + 20179532.

Almost surely, 2^726462522 is an apocalyptic number.

726462522 is an abundant number, since it is smaller than the sum of its proper divisors (847539648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

726462522 is a wasteful number, since it uses less digits than its factorization.

726462522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40359037 (or 40359034 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 726462522 is about 26952.9687047642. The cubic root of 726462522 is about 898.9545564492.

The spelling of 726462522 in words is "seven hundred twenty-six million, four hundred sixty-two thousand, five hundred twenty-two".