68680808072 has 32 divisors (see below), whose sum is σ = 132321168000. Its totient is φ = 33396064704.

The previous prime is 68680808071. The next prime is 68680808081. The reversal of 68680808072 is 27080808686.

It is a super-3 number, since 3×68680808072³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68680808071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566033 + ... + 676575.

It is an arithmetic number, because the mean of its divisors is an integer number (4135036500).

Almost surely, 2^68680808072 is an apocalyptic number.

It is an amenable number.

68680808072 is a deficient number, since it is larger than the sum of its proper divisors (63640359928).

68680808072 is a wasteful number, since it uses less digits than its factorization.

68680808072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112685 (or 112681 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 53.

The spelling of 68680808072 in words is "sixty-eight billion, six hundred eighty million, eight hundred eight thousand, seventy-two".