728027903 has 2 divisors, whose sum is σ = 728027904. Its totient is φ = 728027902.

The previous prime is 728027899. The next prime is 728027917. The reversal of 728027903 is 309720827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 728027903 - 2² = 728027899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (728027953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364013951 + 364013952.

It is an arithmetic number, because the mean of its divisors is an integer number (364013952).

Almost surely, 2^728027903 is an apocalyptic number.

728027903 is a deficient number, since it is larger than the sum of its proper divisors (1).

728027903 is an equidigital number, since it uses as much as digits as its factorization.

728027903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 728027903 is about 26981.9921985016. The cubic root of 728027903 is about 899.5997821372.

The spelling of 728027903 in words is "seven hundred twenty-eight million, twenty-seven thousand, nine hundred three".