728343827 has 2 divisors, whose sum is σ = 728343828. Its totient is φ = 728343826.

The previous prime is 728343817. The next prime is 728343859.

728343827 is nontrivially palindromic in base 10.

728343827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 728343827 - 2⁸ = 728343571 is a prime.

It is not a weakly prime, because it can be changed into another prime (728343817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364171913 + 364171914.

It is an arithmetic number, because the mean of its divisors is an integer number (364171914).

Almost surely, 2^728343827 is an apocalyptic number.

728343827 is a deficient number, since it is larger than the sum of its proper divisors (1).

728343827 is an equidigital number, since it uses as much as digits as its factorization.

728343827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 44.

The square root of 728343827 is about 26987.8459125585. The cubic root of 728343827 is about 899.7298889003.

The spelling of 728343827 in words is "seven hundred twenty-eight million, three hundred forty-three thousand, eight hundred twenty-seven".