68110907 has 4 divisors (see below), whose sum is σ = 68129616. Its totient is φ = 68092200.

The previous prime is 68110897. The next prime is 68110909. The reversal of 68110907 is 70901186.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68110907 - 2¹⁶ = 68045371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68110909) 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 3 ways as a sum of consecutive naturals, for example, 1928 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (17032404).

Almost surely, 2^68110907 is an apocalyptic number.

68110907 is a deficient number, since it is larger than the sum of its proper divisors (18709).

68110907 is a wasteful number, since it uses less digits than its factorization.

68110907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18708.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 68110907 is about 8252.9332361288. The cubic root of 68110907 is about 408.3872936418.

The spelling of 68110907 in words is "sixty-eight million, one hundred ten thousand, nine hundred seven".