6728118 has 16 divisors (see below), whose sum is σ = 13641456. Its totient is φ = 2211840.

The previous prime is 6728101. The next prime is 6728123. The reversal of 6728118 is 8118276.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7243 + ... + 8118.

It is an arithmetic number, because the mean of its divisors is an integer number (852591).

Almost surely, 2^6728118 is an apocalyptic number.

6728118 is an abundant number, since it is smaller than the sum of its proper divisors (6913338).

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

6728118 is a wasteful number, since it uses less digits than its factorization.

6728118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15439.

The product of its digits is 5376, while the sum is 33.

The square root of 6728118 is about 2593.8616000088. The cubic root of 6728118 is about 188.7837172051.

The spelling of 6728118 in words is "six million, seven hundred twenty-eight thousand, one hundred eighteen".