68844205 has 4 divisors (see below), whose sum is σ = 82613052. Its totient is φ = 55075360.

The previous prime is 68844197. The next prime is 68844229. The reversal of 68844205 is 50244886.

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 12489156 + 56355049 = 3534^2 + 7507^2 .

It is not a de Polignac number, because 68844205 - 2³ = 68844197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6884416 + ... + 6884425.

It is an arithmetic number, because the mean of its divisors is an integer number (20653263).

Almost surely, 2^68844205 is an apocalyptic number.

It is an amenable number.

68844205 is a deficient number, since it is larger than the sum of its proper divisors (13768847).

68844205 is a wasteful number, since it uses less digits than its factorization.

68844205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13768846.

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 68844205 is about 8297.2408064368. The cubic root of 68844205 is about 409.8476630170.

The spelling of 68844205 in words is "sixty-eight million, eight hundred forty-four thousand, two hundred five".