68750391996 has 288 divisors, whose sum is σ = 216955065600. Its totient is φ = 18045711360.

The previous prime is 68750391991. The next prime is 68750392013. The reversal of 68750391996 is 69919305786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68750391991) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10462600 + ... + 10469168.

It is an arithmetic number, because the mean of its divisors is an integer number (753316200).

Almost surely, 2^68750391996 is an apocalyptic number.

68750391996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68750391996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108477532800).

68750391996 is an abundant number, since it is smaller than the sum of its proper divisors (148204673604).

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

68750391996 is a wasteful number, since it uses less digits than its factorization.

68750391996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729 (or 6724 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 68750391996 in words is "sixty-eight billion, seven hundred fifty million, three hundred ninety-one thousand, nine hundred ninety-six".