68104205 has 24 divisors (see below), whose sum is σ = 89944008. Its totient is φ = 49211136.

The previous prime is 68104187. The next prime is 68104213. The reversal of 68104205 is 50240186.

It can be written as a sum of positive squares in 12 ways, for example, as 10738729 + 57365476 = 3277^2 + 7574^2 .

It is not a de Polignac number, because 68104205 - 2¹⁰ = 68103181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182399 + ... + 182771.

It is an arithmetic number, because the mean of its divisors is an integer number (3747667).

Almost surely, 2^68104205 is an apocalyptic number.

68104205 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68104205 is a deficient number, since it is larger than the sum of its proper divisors (21839803).

68104205 is a wasteful number, since it uses less digits than its factorization.

68104205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 68104205 is about 8252.5271886859. The cubic root of 68104205 is about 408.3738983255.

The spelling of 68104205 in words is "sixty-eight million, one hundred four thousand, two hundred five".