68576209 has 8 divisors (see below), whose sum is σ = 73939712. Its totient is φ = 63225360.

The previous prime is 68576173. The next prime is 68576227. The reversal of 68576209 is 90267586.

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 68576209 - 2¹¹ = 68574161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68576239) 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, 10222 + ... + 15544.

It is an arithmetic number, because the mean of its divisors is an integer number (9242464).

Almost surely, 2^68576209 is an apocalyptic number.

It is an amenable number.

68576209 is a deficient number, since it is larger than the sum of its proper divisors (5363503).

68576209 is a wasteful number, since it uses less digits than its factorization.

68576209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 68576209 is about 8281.0753528754. The cubic root of 68576209 is about 409.3151545406.

The spelling of 68576209 in words is "sixty-eight million, five hundred seventy-six thousand, two hundred nine".