68100208 has 40 divisors (see below), whose sum is σ = 145459440. Its totient is φ = 30627840.

The previous prime is 68100191. The next prime is 68100229. The reversal of 68100208 is 80200186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15078 + ... + 19066.

It is an arithmetic number, because the mean of its divisors is an integer number (3636486).

Almost surely, 2^68100208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68100208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72729720).

68100208 is an abundant number, since it is smaller than the sum of its proper divisors (77359232).

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

68100208 is a wasteful number, since it uses less digits than its factorization.

68100208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105 (or 4099 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 68100208 is about 8252.2850168908. The cubic root of 68100208 is about 408.3659090861.

The spelling of 68100208 in words is "sixty-eight million, one hundred thousand, two hundred eight".