728823112 has 8 divisors (see below), whose sum is σ = 1366543350. Its totient is φ = 364411552.

The previous prime is 728823101. The next prime is 728823163. The reversal of 728823112 is 211328827.

728823112 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., 699814116 + 29008996 = 26454^2 + 5386^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45551437 + ... + 45551452.

Almost surely, 2^728823112 is an apocalyptic number.

It is an amenable number.

728823112 is a deficient number, since it is larger than the sum of its proper divisors (637720238).

728823112 is a wasteful number, since it uses less digits than its factorization.

728823112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91102895 (or 91102891 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 728823112 is about 26996.7240975641. The cubic root of 728823112 is about 899.9272006959.

The spelling of 728823112 in words is "seven hundred twenty-eight million, eight hundred twenty-three thousand, one hundred twelve".