726385604 has 36 divisors (see below), whose sum is σ = 1495364220. Its totient is φ = 307802880.

The previous prime is 726385601. The next prime is 726385607. The reversal of 726385604 is 406583627.

It is a happy number.

726385604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (726385601) and next prime (726385607).

It can be written as a sum of positive squares in 2 ways, for example, as 506160004 + 220225600 = 22498^2 + 14840^2 .

It is not an unprimeable number, because it can be changed into a prime (726385601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3377 + ... + 38264.

It is an arithmetic number, because the mean of its divisors is an integer number (41537895).

Almost surely, 2^726385604 is an apocalyptic number.

It is an amenable number.

726385604 is an abundant number, since it is smaller than the sum of its proper divisors (768978616).

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

726385604 is a wasteful number, since it uses less digits than its factorization.

726385604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41748 (or 41739 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 726385604 is about 26951.5417740804. The cubic root of 726385604 is about 898.9228281655.

The spelling of 726385604 in words is "seven hundred twenty-six million, three hundred eighty-five thousand, six hundred four".