68730622680 has 32 divisors (see below), whose sum is σ = 206191868400. Its totient is φ = 18328166016.

The previous prime is 68730622673. The next prime is 68730622733. The reversal of 68730622680 is 8622603786.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286377475 + ... + 286377714.

Almost surely, 2^68730622680 is an apocalyptic number.

68730622680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68730622680 is an abundant number, since it is smaller than the sum of its proper divisors (137461245720).

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

68730622680 is a wasteful number, since it uses less digits than its factorization.

68730622680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572755203 (or 572755199 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 68730622680 in words is "sixty-eight billion, seven hundred thirty million, six hundred twenty-two thousand, six hundred eighty".