68724606720 has 576 divisors, whose sum is σ = 280372700160. Its totient is φ = 13929676800.

The previous prime is 68724606683. The next prime is 68724606779. The reversal of 68724606720 is 2760642786.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 68724606720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12120046 + ... + 12125714.

It is an arithmetic number, because the mean of its divisors is an integer number (486758160).

Almost surely, 2^68724606720 is an apocalyptic number.

68724606720 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 68724606720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140186350080).

68724606720 is an abundant number, since it is smaller than the sum of its proper divisors (211648093440).

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

68724606720 is a wasteful number, since it uses less digits than its factorization.

68724606720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752 (or 5738 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 68724606720 in words is "sixty-eight billion, seven hundred twenty-four million, six hundred six thousand, seven hundred twenty".