68441081 has 8 divisors (see below), whose sum is σ = 69346464. Its totient is φ = 67541760.

The previous prime is 68441063. The next prime is 68441117. The reversal of 68441081 is 18014486.

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 68441081 - 2⁶ = 68441017 is a prime.

It is a super-2 number, since 2×68441081² = 9368363136897122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68441011) 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 7 ways as a sum of consecutive naturals, for example, 23930 + ... + 26636.

It is an arithmetic number, because the mean of its divisors is an integer number (8668308).

Almost surely, 2^68441081 is an apocalyptic number.

It is an amenable number.

68441081 is a deficient number, since it is larger than the sum of its proper divisors (905383).

68441081 is a wasteful number, since it uses less digits than its factorization.

68441081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 68441081 is about 8272.9124859387. The cubic root of 68441081 is about 409.0461287475.

The spelling of 68441081 in words is "sixty-eight million, four hundred forty-one thousand, eighty-one".