68104350720 has 352 divisors, whose sum is σ = 276610291200. Its totient is φ = 15566487552.

The previous prime is 68104350719. The next prime is 68104350739. The reversal of 68104350720 is 2705340186.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932491 + ... + 1002869.

Almost surely, 2^68104350720 is an apocalyptic number.

68104350720 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 68104350720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138305145600).

68104350720 is an abundant number, since it is smaller than the sum of its proper divisors (208505940480).

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

68104350720 is a wasteful number, since it uses less digits than its factorization.

68104350720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70420 (or 70396 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 68104350720 in words is "sixty-eight billion, one hundred four million, three hundred fifty thousand, seven hundred twenty".