68606568 has 128 divisors (see below), whose sum is σ = 204240000. Its totient is φ = 21275136.

The previous prime is 68606521. The next prime is 68606569. The reversal of 68606568 is 86560686.

68606568 is a `hidden beast` number, since 6 + 86 + 0 + 6 + 568 = 666.

It is a super-2 number, since 2×68606568² = 9413722345477248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68606569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299478 + ... + 299706.

It is an arithmetic number, because the mean of its divisors is an integer number (1595625).

Almost surely, 2^68606568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68606568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102120000).

68606568 is an abundant number, since it is smaller than the sum of its proper divisors (135633432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68606568 is a wasteful number, since it uses less digits than its factorization.

68606568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 68606568 is about 8282.9081849312. The cubic root of 68606568 is about 409.3755475237.

The spelling of 68606568 in words is "sixty-eight million, six hundred six thousand, five hundred sixty-eight".