6718 has 4 divisors (see below), whose sum is σ = 10080.
Its totient is φ = 3358.
The previous prime is 6709. The next prime is 6719. The reversal of 6718 is 8176.
It is a semiprime because it is the product of two primes.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6719) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1678 + ... + 1681.
It is an arithmetic number, because the mean of its divisors is an integer number (2520).
26718 is an apocalyptic number.
6718 is a deficient number, since it is larger than the sum of its proper divisors (3362).
6718 is a wasteful number, since it uses less digits than its factorization.
6718 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3361.
The product of its digits is 336, while the sum is 22.
The square root of 6718 is about 81.9634064690.
The cubic root of 6718 is about 18.8689036347.
The spelling of 6718 in words is "six thousand, seven hundred eighteen".