68085105 has 16 divisors (see below), whose sum is σ = 118839744. Its totient is φ = 33010880.

The previous prime is 68085079. The next prime is 68085107. The reversal of 68085105 is 50158086.

It is not a de Polignac number, because 68085105 - 2⁶ = 68085041 is a prime.

It is a super-2 number, since 2×68085105² = 9271163045722050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (68085107) 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 15 ways as a sum of consecutive naturals, for example, 206154 + ... + 206483.

It is an arithmetic number, because the mean of its divisors is an integer number (7427484).

Almost surely, 2^68085105 is an apocalyptic number.

It is an amenable number.

68085105 is a deficient number, since it is larger than the sum of its proper divisors (50754639).

68085105 is a wasteful number, since it uses less digits than its factorization.

68085105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412656.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 68085105 is about 8251.3698862674. The cubic root of 68085105 is about 408.3357182516.

The spelling of 68085105 in words is "sixty-eight million, eighty-five thousand, one hundred five".