68204106 has 40 divisors (see below), whose sum is σ = 156397824. Its totient is φ = 22203720.

The previous prime is 68204099. The next prime is 68204107. The reversal of 68204106 is 60140286.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 68204106.

It is not an unprimeable number, because it can be changed into a prime (68204107) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2071 + ... + 11861.

Almost surely, 2^68204106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68204106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78198912).

68204106 is an abundant number, since it is smaller than the sum of its proper divisors (88193718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68204106 is a wasteful number, since it uses less digits than its factorization.

68204106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9848 (or 9839 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 68204106 is about 8258.5777225864. The cubic root of 68204106 is about 408.5734798781.

The spelling of 68204106 in words is "sixty-eight million, two hundred four thousand, one hundred six".