726337028 has 12 divisors (see below), whose sum is σ = 1275101772. Its totient is φ = 362022240.

The previous prime is 726337009. The next prime is 726337039. The reversal of 726337028 is 820733627.

It can be written as a sum of positive squares in 2 ways, for example, as 155700484 + 570636544 = 12478^2 + 23888^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 726336982 and 726337000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285143 + ... + 287678.

It is an arithmetic number, because the mean of its divisors is an integer number (106258481).

Almost surely, 2^726337028 is an apocalyptic number.

It is an amenable number.

726337028 is a deficient number, since it is larger than the sum of its proper divisors (548764744).

726337028 is a wasteful number, since it uses less digits than its factorization.

726337028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573142 (or 573140 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 726337028 is about 26950.6405860788. The cubic root of 726337028 is about 898.9027896586.

The spelling of 726337028 in words is "seven hundred twenty-six million, three hundred thirty-seven thousand, twenty-eight".