728027 has 2 divisors, whose sum is σ = 728028. Its totient is φ = 728026.

The previous prime is 728017. The next prime is 728047. The reversal of 728027 is 720827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 728027 - 2¹⁰ = 727003 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 727987 and 728005.

It is not a weakly prime, because it can be changed into another prime (728017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364013 + 364014.

It is an arithmetic number, because the mean of its divisors is an integer number (364014).

2⁷²⁸⁰²⁷ is an apocalyptic number.

728027 is a deficient number, since it is larger than the sum of its proper divisors (1).

728027 is an equidigital number, since it uses as much as digits as its factorization.

728027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 728027 is about 853.2449824054. The cubic root of 728027 is about 89.9599410201.

The spelling of 728027 in words is "seven hundred twenty-eight thousand, twenty-seven".