68504585 has 8 divisors (see below), whose sum is σ = 82260360. Its totient is φ = 54767104.

The previous prime is 68504581. The next prime is 68504599. The reversal of 68504585 is 58540586.

It can be written as a sum of positive squares in 4 ways, for example, as 11999296 + 56505289 = 3464^2 + 7517^2 .

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 68504585 - 2² = 68504581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68504581) 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, 5819 + ... + 13071.

It is an arithmetic number, because the mean of its divisors is an integer number (10282545).

Almost surely, 2^68504585 is an apocalyptic number.

It is an amenable number.

68504585 is a deficient number, since it is larger than the sum of its proper divisors (13755775).

68504585 is a wasteful number, since it uses less digits than its factorization.

68504585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9147.

The product of its (nonzero) digits is 192000, while the sum is 41.

The square root of 68504585 is about 8276.7496639683. The cubic root of 68504585 is about 409.1726026675.

The spelling of 68504585 in words is "sixty-eight million, five hundred four thousand, five hundred eighty-five".