68005912 has 16 divisors (see below), whose sum is σ = 137319840. Its totient is φ = 31387296.

The previous prime is 68005897. The next prime is 68005939. The reversal of 68005912 is 21950086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326848 + ... + 327055.

It is an arithmetic number, because the mean of its divisors is an integer number (8582490).

Almost surely, 2^68005912 is an apocalyptic number.

It is an amenable number.

68005912 is an abundant number, since it is smaller than the sum of its proper divisors (69313928).

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

68005912 is a wasteful number, since it uses less digits than its factorization.

68005912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653922 (or 653918 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 68005912 is about 8246.5697110981. The cubic root of 68005912 is about 408.1773386455.

Adding to 68005912 its reverse (21950086), we get a palindrome (89955998).

The spelling of 68005912 in words is "sixty-eight million, five thousand, nine hundred twelve".