68218 has 8 divisors (see below), whose sum is σ = 106848. Its totient is φ = 32604.

The previous prime is 68213. The next prime is 68219. The reversal of 68218 is 81286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 68192 and 68201.

It is not an unprimeable number, because it can be changed into a prime (68213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (13356).

2⁶⁸²¹⁸ is an apocalyptic number.

68218 is a deficient number, since it is larger than the sum of its proper divisors (38630).

68218 is a wasteful number, since it uses less digits than its factorization.

68218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508.

The product of its digits is 768, while the sum is 25.

The square root of 68218 is about 261.1857576515. The cubic root of 68218 is about 40.8601221778.

Adding to 68218 its product of digits (768), we get a palindrome (68986).

The spelling of 68218 in words is "sixty-eight thousand, two hundred eighteen".