68195064 has 96 divisors (see below), whose sum is σ = 200603520. Its totient is φ = 19260864.

The previous prime is 68195027. The next prime is 68195077. The reversal of 68195064 is 46059186.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120847 + ... + 121409.

It is an arithmetic number, because the mean of its divisors is an integer number (2089620).

Almost surely, 2^68195064 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 68195064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100301760).

68195064 is an abundant number, since it is smaller than the sum of its proper divisors (132408456).

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

68195064 is a wasteful number, since it uses less digits than its factorization.

68195064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68195064 is about 8258.0302736185. The cubic root of 68195064 is about 408.5554238553. Note that the first 3 decimals are identical.

The spelling of 68195064 in words is "sixty-eight million, one hundred ninety-five thousand, sixty-four".