726423726 has 48 divisors (see below), whose sum is σ = 1748345040. Its totient is φ = 200390400.

The previous prime is 726423721. The next prime is 726423769. The reversal of 726423726 is 627324627.

726423726 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726423721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34075 + ... + 51126.

It is an arithmetic number, because the mean of its divisors is an integer number (36423855).

Almost surely, 2^726423726 is an apocalyptic number.

726423726 is an abundant number, since it is smaller than the sum of its proper divisors (1021921314).

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

726423726 is a wasteful number, since it uses less digits than its factorization.

726423726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85249 (or 85242 counting only the distinct ones).

The product of its digits is 169344, while the sum is 39.

The square root of 726423726 is about 26952.2489970689. The cubic root of 726423726 is about 898.9385535765.

Subtracting from 726423726 its reverse (627324627), we obtain a palindrome (99099099).

The spelling of 726423726 in words is "seven hundred twenty-six million, four hundred twenty-three thousand, seven hundred twenty-six".