68427078720 has 896 divisors, whose sum is σ = 301241106432. Its totient is φ = 12695961600.

The previous prime is 68427078719. The next prime is 68427078773. The reversal of 68427078720 is 2787072486.

68427078720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29788612 + ... + 29790908.

It is an arithmetic number, because the mean of its divisors is an integer number (336206592).

Almost surely, 2^68427078720 is an apocalyptic number.

68427078720 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 68427078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150620553216).

68427078720 is an abundant number, since it is smaller than the sum of its proper divisors (232814027712).

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

68427078720 is a wasteful number, since it uses less digits than its factorization.

68427078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2369 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 51.

The spelling of 68427078720 in words is "sixty-eight billion, four hundred twenty-seven million, seventy-eight thousand, seven hundred twenty".