68109 has 8 divisors (see below), whose sum is σ = 92352. Its totient is φ = 44640.

The previous prime is 68099. The next prime is 68111. The reversal of 68109 is 90186.

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

It is not a de Polignac number, because 68109 - 2⁸ = 67853 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68109.

It is not an unprimeable number, because it can be changed into a prime (68209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 374.

It is an arithmetic number, because the mean of its divisors is an integer number (11544).

2⁶⁸¹⁰⁹ is an apocalyptic number.

It is an amenable number.

68109 is a deficient number, since it is larger than the sum of its proper divisors (24243).

68109 is a wasteful number, since it uses less digits than its factorization.

68109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 68109 is about 260.9770104818. The cubic root of 68109 is about 40.8383482202.

The spelling of 68109 in words is "sixty-eight thousand, one hundred nine".