728143204 has 6 divisors (see below), whose sum is σ = 1274250614. Its totient is φ = 364071600.

The previous prime is 728143187. The next prime is 728143211. The reversal of 728143204 is 402341827.

728143204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 566344804 + 161798400 = 23798^2 + 12720^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91017897 + ... + 91017904.

Almost surely, 2^728143204 is an apocalyptic number.

It is an amenable number.

728143204 is a deficient number, since it is larger than the sum of its proper divisors (546107410).

728143204 is a wasteful number, since it uses less digits than its factorization.

728143204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182035805 (or 182035803 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 728143204 is about 26984.1287426517. The cubic root of 728143204 is about 899.6472708295.

The spelling of 728143204 in words is "seven hundred twenty-eight million, one hundred forty-three thousand, two hundred four".