68106936 has 32 divisors (see below), whose sum is σ = 174871440. Its totient is φ = 22088448.

The previous prime is 68106931. The next prime is 68106949. The reversal of 68106936 is 63960186.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68106894 and 68106903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68106931) 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 in 7 ways as a sum of consecutive naturals, for example, 37461 + ... + 39236.

Almost surely, 2^68106936 is an apocalyptic number.

It is an amenable number.

68106936 is an abundant number, since it is smaller than the sum of its proper divisors (106764504).

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

68106936 is a wasteful number, since it uses less digits than its factorization.

68106936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76743 (or 76739 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 68106936 is about 8252.6926514926. The cubic root of 68106936 is about 408.3793568931.

The spelling of 68106936 in words is "sixty-eight million, one hundred six thousand, nine hundred thirty-six".