68281841 has 8 divisors (see below), whose sum is σ = 68919360. Its totient is φ = 67647312.

The previous prime is 68281831. The next prime is 68281847. The reversal of 68281841 is 14818286.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68281841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68281795 and 68281804.

It is not an unprimeable number, because it can be changed into a prime (68281847) 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, 82556 + ... + 83378.

It is an arithmetic number, because the mean of its divisors is an integer number (8614920).

Almost surely, 2^68281841 is an apocalyptic number.

It is an amenable number.

68281841 is a deficient number, since it is larger than the sum of its proper divisors (637519).

68281841 is a wasteful number, since it uses less digits than its factorization.

68281841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its digits is 24576, while the sum is 38.

The square root of 68281841 is about 8263.2827012030. The cubic root of 68281841 is about 408.7286435612.

The spelling of 68281841 in words is "sixty-eight million, two hundred eighty-one thousand, eight hundred forty-one".