68452786752 has 336 divisors, whose sum is σ = 215648072640. Its totient is φ = 19102003200.

The previous prime is 68452786723. The next prime is 68452786777. The reversal of 68452786752 is 25768725486.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×68452786752² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103873399 + ... + 103874057.

It is an arithmetic number, because the mean of its divisors is an integer number (641809740).

Almost surely, 2^68452786752 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 68452786752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107824036320).

68452786752 is an abundant number, since it is smaller than the sum of its proper divisors (147195285888).

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

68452786752 is a wasteful number, since it uses less digits than its factorization.

68452786752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 913 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 60.

The spelling of 68452786752 in words is "sixty-eight billion, four hundred fifty-two million, seven hundred eighty-six thousand, seven hundred fifty-two".