68008938 has 8 divisors (see below), whose sum is σ = 136017888. Its totient is φ = 22669644.

The previous prime is 68008933. The next prime is 68008957. The reversal of 68008938 is 83980086.

It is a sphenic number, since it is the product of 3 distinct primes.

68008938 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 68008938.

It is not an unprimeable number, because it can be changed into a prime (68008933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5667406 + ... + 5667417.

It is an arithmetic number, because the mean of its divisors is an integer number (17002236).

Almost surely, 2^68008938 is an apocalyptic number.

68008938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68008938 is a wasteful number, since it uses less digits than its factorization.

68008938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11334828.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 68008938 is about 8246.7531792821. The cubic root of 68008938 is about 408.1833926599.

The spelling of 68008938 in words is "sixty-eight million, eight thousand, nine hundred thirty-eight".