726580228 has 24 divisors (see below), whose sum is σ = 1391866560. Its totient is φ = 329130720.

The previous prime is 726580223. The next prime is 726580237. The reversal of 726580228 is 822085627.

It is not an unprimeable number, because it can be changed into a prime (726580223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15288 + ... + 41071.

It is an arithmetic number, because the mean of its divisors is an integer number (57994440).

Almost surely, 2^726580228 is an apocalyptic number.

It is an amenable number.

726580228 is a deficient number, since it is larger than the sum of its proper divisors (665286332).

726580228 is a wasteful number, since it uses less digits than its factorization.

726580228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56667 (or 56665 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 726580228 is about 26955.1521605796. The cubic root of 726580228 is about 899.0031052399.

The spelling of 726580228 in words is "seven hundred twenty-six million, five hundred eighty thousand, two hundred twenty-eight".