726318404 has 48 divisors (see below), whose sum is σ = 1547465472. Its totient is φ = 291182592.

The previous prime is 726318367. The next prime is 726318431. The reversal of 726318404 is 404813627.

726318404 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 15 ways as a sum of consecutive naturals, for example, 74924 + ... + 84060.

It is an arithmetic number, because the mean of its divisors is an integer number (32238864).

Almost surely, 2^726318404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726318404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773732736).

726318404 is an abundant number, since it is smaller than the sum of its proper divisors (821147068).

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

726318404 is a wasteful number, since it uses less digits than its factorization.

726318404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9332 (or 9330 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 726318404 is about 26950.2950633198. The cubic root of 726318404 is about 898.8951066740.

The spelling of 726318404 in words is "seven hundred twenty-six million, three hundred eighteen thousand, four hundred four".