6728310723 has 16 divisors (see below), whose sum is σ = 9458259200. Its totient is φ = 4242702240.

The previous prime is 6728310713. The next prime is 6728310767. The reversal of 6728310723 is 3270138276.

It is not a de Polignac number, because 6728310723 - 2⁵ = 6728310691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6728310703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57568 + ... + 129501.

It is an arithmetic number, because the mean of its divisors is an integer number (591141200).

Almost surely, 2^6728310723 is an apocalyptic number.

6728310723 is a deficient number, since it is larger than the sum of its proper divisors (2729948477).

6728310723 is a wasteful number, since it uses less digits than its factorization.

6728310723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187722.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 6728310723 is about 82026.2806849122. The cubic root of 6728310723 is about 1887.8551972091.

Adding to 6728310723 its reverse (3270138276), we get a palindrome (9998448999).

The spelling of 6728310723 in words is "six billion, seven hundred twenty-eight million, three hundred ten thousand, seven hundred twenty-three".