68812105 has 8 divisors (see below), whose sum is σ = 82620864. Its totient is φ = 55018800.

The previous prime is 68812097. The next prime is 68812127. The reversal of 68812105 is 50121886.

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

It is not a de Polignac number, because 68812105 - 2³ = 68812097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11490 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (10327608).

Almost surely, 2^68812105 is an apocalyptic number.

It is an amenable number.

68812105 is a deficient number, since it is larger than the sum of its proper divisors (13808759).

68812105 is a wasteful number, since it uses less digits than its factorization.

68812105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7727.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 68812105 is about 8295.3062029078. The cubic root of 68812105 is about 409.7839531992.

The spelling of 68812105 in words is "sixty-eight million, eight hundred twelve thousand, one hundred five".