68775135 has 32 divisors (see below), whose sum is σ = 129282048. Its totient is φ = 30779520.

The previous prime is 68775043. The next prime is 68775169. The reversal of 68775135 is 53157786.

It is not a de Polignac number, because 68775135 - 2¹² = 68771039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13887 + ... + 18176.

It is an arithmetic number, because the mean of its divisors is an integer number (4040064).

Almost surely, 2^68775135 is an apocalyptic number.

68775135 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

68775135 is a deficient number, since it is larger than the sum of its proper divisors (60506913).

68775135 is a wasteful number, since it uses less digits than its factorization.

68775135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32095.

The product of its digits is 176400, while the sum is 42.

The square root of 68775135 is about 8293.0775349083. The cubic root of 68775135 is about 409.7105531936.

It can be divided in two parts, 687751 and 35, that added together give a palindrome (687786).

The spelling of 68775135 in words is "sixty-eight million, seven hundred seventy-five thousand, one hundred thirty-five".