728844113 has 2 divisors, whose sum is σ = 728844114. Its totient is φ = 728844112.

The previous prime is 728844101. The next prime is 728844121. The reversal of 728844113 is 311448827.

728844113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 624150289 + 104693824 = 24983^2 + 10232^2 .

It is a cyclic number.

It is not a de Polignac number, because 728844113 - 2¹⁸ = 728581969 is a prime.

It is not a weakly prime, because it can be changed into another prime (728844173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364422056 + 364422057.

It is an arithmetic number, because the mean of its divisors is an integer number (364422057).

Almost surely, 2^728844113 is an apocalyptic number.

It is an amenable number.

728844113 is a deficient number, since it is larger than the sum of its proper divisors (1).

728844113 is an equidigital number, since it uses as much as digits as its factorization.

728844113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43008, while the sum is 38.

The square root of 728844113 is about 26997.1130493614. The cubic root of 728844113 is about 899.9358443980.

The spelling of 728844113 in words is "seven hundred twenty-eight million, eight hundred forty-four thousand, one hundred thirteen".