It is a sphenic number, since it is the product of 3 distinct primes.
68538 is an admirable number.
It is a Curzon number.
68538 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
268538 is an apocalyptic number.
68538 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.
68538 is a wasteful number, since it uses less digits than its factorization.
68538 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11428.
The square root of 68538 is about 261.7976317693. The cubic root of 68538 is about 40.9239120259.
The spelling of 68538 in words is "sixty-eight thousand, five hundred thirty-eight".