68107873 has 4 divisors (see below), whose sum is σ = 68873220. Its totient is φ = 67342528.

The previous prime is 68107867. The next prime is 68107877. The reversal of 68107873 is 37870186.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11135569 + 56972304 = 3337^2 + 7548^2 .

It is a cyclic number.

It is not a de Polignac number, because 68107873 - 2¹⁷ = 67976801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68107877) 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 3 ways as a sum of consecutive naturals, for example, 382540 + ... + 382717.

It is an arithmetic number, because the mean of its divisors is an integer number (17218305).

Almost surely, 2^68107873 is an apocalyptic number.

It is an amenable number.

68107873 is a deficient number, since it is larger than the sum of its proper divisors (765347).

68107873 is an equidigital number, since it uses as much as digits as its factorization.

68107873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765346.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 68107873 is about 8252.7494206476. The cubic root of 68107873 is about 408.3812296818.

The spelling of 68107873 in words is "sixty-eight million, one hundred seven thousand, eight hundred seventy-three".