68095505 has 8 divisors (see below), whose sum is σ = 81765672. Its totient is φ = 54442368.

The previous prime is 68095501. The next prime is 68095529. The reversal of 68095505 is 50559086.

It is a Cunningham number, because it is equal to 8252²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 3083536 + 65011969 = 1756^2 + 8063^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 68095505 - 2² = 68095501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68095501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7499 + ... + 13871.

It is an arithmetic number, because the mean of its divisors is an integer number (10220709).

Almost surely, 2^68095505 is an apocalyptic number.

It is an amenable number.

68095505 is a deficient number, since it is larger than the sum of its proper divisors (13670167).

68095505 is a wasteful number, since it uses less digits than its factorization.

68095505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8515.

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 68095505 is about 8252.0000605914. Note that the first 4 decimals coincide. The cubic root of 68095505 is about 408.3565082872.

The spelling of 68095505 in words is "sixty-eight million, ninety-five thousand, five hundred five".