728227204 has 6 divisors (see below), whose sum is σ = 1274397614. Its totient is φ = 364113600.

The previous prime is 728227189. The next prime is 728227223. The reversal of 728227204 is 402722827.

It can be written as a sum of positive squares in only one way, i.e., 446054400 + 282172804 = 21120^2 + 16798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 728227204.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 91028397 + ... + 91028404.

Almost surely, 2^728227204 is an apocalyptic number.

It is an amenable number.

728227204 is a deficient number, since it is larger than the sum of its proper divisors (546170410).

728227204 is a wasteful number, since it uses less digits than its factorization.

728227204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182056805 (or 182056803 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 728227204 is about 26985.6851682517. The cubic root of 728227204 is about 899.6818645122.

The spelling of 728227204 in words is "seven hundred twenty-eight million, two hundred twenty-seven thousand, two hundred four".