68939069760 has 448 divisors, whose sum is σ = 273881088000. Its totient is φ = 16172697600.

The previous prime is 68939069743. The next prime is 68939069761. The reversal of 68939069760 is 6796093986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68939069761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2934541 + ... + 2957939.

Almost surely, 2^68939069760 is an apocalyptic number.

68939069760 is a gapful number since it is divisible by the number (60) 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 68939069760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136940544000).

68939069760 is an abundant number, since it is smaller than the sum of its proper divisors (204942018240).

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

68939069760 is a wasteful number, since it uses less digits than its factorization.

68939069760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23467 (or 23451 counting only the distinct ones).

The product of its (nonzero) digits is 26453952, while the sum is 63.

The spelling of 68939069760 in words is "sixty-eight billion, nine hundred thirty-nine million, sixty-nine thousand, seven hundred sixty".