68845068 has 36 divisors (see below), whose sum is σ = 178273368. Its totient is φ = 22388160.

The previous prime is 68845067. The next prime is 68845069. The reversal of 68845068 is 86054886.

68845068 is a `hidden beast` number, since 68 + 84 + 506 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (68845067) and next prime (68845069).

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (68845061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21846 + ... + 24797.

It is an arithmetic number, because the mean of its divisors is an integer number (4952038).

Almost surely, 2^68845068 is an apocalyptic number.

It is an amenable number.

68845068 is an abundant number, since it is smaller than the sum of its proper divisors (109428300).

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

68845068 is a wasteful number, since it uses less digits than its factorization.

68845068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46694 (or 46689 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The square root of 68845068 is about 8297.2928115139. The cubic root of 68845068 is about 409.8493755652.

The spelling of 68845068 in words is "sixty-eight million, eight hundred forty-five thousand, sixty-eight".