68641085 has 8 divisors (see below), whose sum is σ = 85950720. Its totient is φ = 52525264.

The previous prime is 68641073. The next prime is 68641109. The reversal of 68641085 is 58014686.

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

It is a cyclic number.

It is not a de Polignac number, because 68641085 - 2⁶ = 68641021 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 298325 + ... + 298554.

It is an arithmetic number, because the mean of its divisors is an integer number (10743840).

Almost surely, 2^68641085 is an apocalyptic number.

It is an amenable number.

68641085 is a deficient number, since it is larger than the sum of its proper divisors (17309635).

68641085 is a wasteful number, since it uses less digits than its factorization.

68641085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596907.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 68641085 is about 8284.9915509915. The cubic root of 68641085 is about 409.4441903524. Note that the first 3 decimals are identical.

The spelling of 68641085 in words is "sixty-eight million, six hundred forty-one thousand, eighty-five".