68330105 has 4 divisors (see below), whose sum is σ = 81996132. Its totient is φ = 54664080.

The previous prime is 68330081. The next prime is 68330111. The reversal of 68330105 is 50103386.

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 52940176 + 15389929 = 7276^2 + 3923^2 .

It is not a de Polignac number, because 68330105 - 2²⁴ = 51552889 is a prime.

It is a super-2 number, since 2×68330105² = 9338006498622050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6833006 + ... + 6833015.

It is an arithmetic number, because the mean of its divisors is an integer number (20499033).

Almost surely, 2^68330105 is an apocalyptic number.

It is an amenable number.

68330105 is a deficient number, since it is larger than the sum of its proper divisors (13666027).

68330105 is a wasteful number, since it uses less digits than its factorization.

68330105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13666026.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 68330105 is about 8266.2025743385. The cubic root of 68330105 is about 408.8249221271.

The spelling of 68330105 in words is "sixty-eight million, three hundred thirty thousand, one hundred five".