It is a sphenic number, since it is the product of 3 distinct primes.
7818 is an admirable number.
It is an Ulam number.
It is an alternating number because its digits alternate between odd and even.
It is a plaindrome in base 5.
It is a zygodrome in base 5.
27818 is an apocalyptic number.
7818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7818 is a wasteful number, since it uses less digits than its factorization.
7818 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1308.
The square root of 7818 is about 88.4194548728. The cubic root of 7818 is about 19.8471684338.
The spelling of 7818 in words is "seven thousand, eight hundred eighteen".