68634085 has 16 divisors (see below), whose sum is σ = 88873344. Its totient is φ = 50582592.

The previous prime is 68634079. The next prime is 68634103. The reversal of 68634085 is 58043686.

It is a cyclic number.

It is not a de Polignac number, because 68634085 - 2³ = 68634077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 52854 + ... + 54136.

It is an arithmetic number, because the mean of its divisors is an integer number (5554584).

Almost surely, 2^68634085 is an apocalyptic number.

68634085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68634085 is a deficient number, since it is larger than the sum of its proper divisors (20239259).

68634085 is a wasteful number, since it uses less digits than its factorization.

68634085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 68634085 is about 8284.5690895785. The cubic root of 68634085 is about 409.4302715419.

The spelling of 68634085 in words is "sixty-eight million, six hundred thirty-four thousand, eighty-five".