68759780724 has 72 divisors (see below), whose sum is σ = 182658476000. Its totient is φ = 21781835712.

The previous prime is 68759780723. The next prime is 68759780729. The reversal of 68759780724 is 42708795786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68759780723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542974 + ... + 657525.

Almost surely, 2^68759780724 is an apocalyptic number.

It is an amenable number.

68759780724 is an abundant number, since it is smaller than the sum of its proper divisors (113898695276).

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

68759780724 is a wasteful number, since it uses less digits than its factorization.

68759780724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200589 (or 1200584 counting only the distinct ones).

The product of its (nonzero) digits is 47416320, while the sum is 63.

The spelling of 68759780724 in words is "sixty-eight billion, seven hundred fifty-nine million, seven hundred eighty thousand, seven hundred twenty-four".