68106806 has 4 divisors (see below), whose sum is σ = 102160212. Its totient is φ = 34053402.

The previous prime is 68106763. The next prime is 68106809. The reversal of 68106806 is 60860186.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60860186 = 2 ⋅30430093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68106809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17026700 + ... + 17026703.

It is an arithmetic number, because the mean of its divisors is an integer number (25540053).

Almost surely, 2^68106806 is an apocalyptic number.

68106806 is a deficient number, since it is larger than the sum of its proper divisors (34053406).

68106806 is a wasteful number, since it uses less digits than its factorization.

68106806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34053405.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 68106806 is about 8252.6847752716. The cubic root of 68106806 is about 408.3790970598.

The spelling of 68106806 in words is "sixty-eight million, one hundred six thousand, eight hundred six".