68318 has 4 divisors (see below), whose sum is σ = 102480. Its totient is φ = 34158.

The previous prime is 68311. The next prime is 68329. The reversal of 68318 is 81386.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81386 = 2 ⋅40693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17078 + ... + 17081.

It is an arithmetic number, because the mean of its divisors is an integer number (25620).

2⁶⁸³¹⁸ is an apocalyptic number.

68318 is a deficient number, since it is larger than the sum of its proper divisors (34162).

68318 is a wasteful number, since it uses less digits than its factorization.

68318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34161.

The product of its digits is 1152, while the sum is 26.

The square root of 68318 is about 261.3771221817. The cubic root of 68318 is about 40.8800778948.

The spelling of 68318 in words is "sixty-eight thousand, three hundred eighteen".