726322626 has 48 divisors (see below), whose sum is σ = 1671834528. Its totient is φ = 236196000.

The previous prime is 726322607. The next prime is 726322643. The reversal of 726322626 is 626223627.

726322626 is a `hidden beast` number, since 7 + 2 + 6 + 3 + 22 + 626 = 666.

726322626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1701 + ... + 38151.

It is an arithmetic number, because the mean of its divisors is an integer number (34829886).

Almost surely, 2^726322626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726322626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835917264).

726322626 is an abundant number, since it is smaller than the sum of its proper divisors (945511902).

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

726322626 is a wasteful number, since it uses less digits than its factorization.

726322626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36509 (or 36497 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 726322626 is about 26950.3733925896. The cubic root of 726322626 is about 898.8968483930.

The spelling of 726322626 in words is "seven hundred twenty-six million, three hundred twenty-two thousand, six hundred twenty-six".