68104 has 8 divisors (see below), whose sum is σ = 127710. Its totient is φ = 34048.

The previous prime is 68099. The next prime is 68111. The reversal of 68104 is 40186.

It can be written as a sum of positive squares in only one way, i.e., 39204 + 28900 = 198^2 + 170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4249 + ... + 4264.

2⁶⁸¹⁰⁴ is an apocalyptic number.

It is an amenable number.

68104 is a deficient number, since it is larger than the sum of its proper divisors (59606).

68104 is a wasteful number, since it uses less digits than its factorization.

68104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8519 (or 8515 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 68104 is about 260.9674309181. The cubic root of 68104 is about 40.8373488577.

The spelling of 68104 in words is "sixty-eight thousand, one hundred four".