726753228 has 24 divisors (see below), whose sum is σ = 1696526832. Its totient is φ = 242141184.

The previous prime is 726753227. The next prime is 726753233. The reversal of 726753228 is 822357627.

It is a self number, because there is not a number n which added to its sum of digits gives 726753228.

It is not an unprimeable number, because it can be changed into a prime (726753227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16476 + ... + 41532.

It is an arithmetic number, because the mean of its divisors is an integer number (70688618).

Almost surely, 2^726753228 is an apocalyptic number.

It is an amenable number.

726753228 is an abundant number, since it is smaller than the sum of its proper divisors (969773604).

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

726753228 is a wasteful number, since it uses less digits than its factorization.

726753228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27481 (or 27479 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 726753228 is about 26958.3610035922. The cubic root of 726753228 is about 899.0744509721.

The spelling of 726753228 in words is "seven hundred twenty-six million, seven hundred fifty-three thousand, two hundred twenty-eight".