68082081 has 8 divisors (see below), whose sum is σ = 90816384. Its totient is φ = 45367920.

The previous prime is 68082041. The next prime is 68082083. The reversal of 68082081 is 18028086.

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

It is not a de Polignac number, because 68082081 - 2¹⁸ = 67819937 is a prime.

It is a super-2 number, since 2×68082081² = 9270339506581122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68082083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6891 + ... + 13551.

It is an arithmetic number, because the mean of its divisors is an integer number (11352048).

Almost surely, 2^68082081 is an apocalyptic number.

It is an amenable number.

68082081 is a deficient number, since it is larger than the sum of its proper divisors (22734303).

68082081 is a wasteful number, since it uses less digits than its factorization.

68082081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 68082081 is about 8251.1866419322. The cubic root of 68082081 is about 408.3296727517.

The spelling of 68082081 in words is "sixty-eight million, eighty-two thousand, eighty-one".