6789728 has 24 divisors (see below), whose sum is σ = 14583240. Its totient is φ = 3086080.

The previous prime is 6789701. The next prime is 6789737. The reversal of 6789728 is 8279876.

It is a super-2 number, since 2×6789728² = 92200812627968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9293 + ... + 9996.

It is an arithmetic number, because the mean of its divisors is an integer number (607635).

Almost surely, 2^6789728 is an apocalyptic number.

It is an amenable number.

6789728 is an abundant number, since it is smaller than the sum of its proper divisors (7793512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6789728 is a wasteful number, since it uses less digits than its factorization.

6789728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310 (or 19302 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 6789728 is about 2605.7106516265. The cubic root of 6789728 is about 189.3582038787.

The spelling of 6789728 in words is "six million, seven hundred eighty-nine thousand, seven hundred twenty-eight".