68768730389 has 8 divisors (see below), whose sum is σ = 69214400640. Its totient is φ = 68324385600.

The previous prime is 68768730383. The next prime is 68768730403. The reversal of 68768730389 is 98303786786.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68768730389 - 2³⁶ = 49253653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68768730383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227159 + ... + 434900.

It is an arithmetic number, because the mean of its divisors is an integer number (8651800080).

Almost surely, 2^68768730389 is an apocalyptic number.

It is an amenable number.

68768730389 is a deficient number, since it is larger than the sum of its proper divisors (445670251).

68768730389 is a wasteful number, since it uses less digits than its factorization.

68768730389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662731.

The product of its (nonzero) digits is 73156608, while the sum is 65.

The spelling of 68768730389 in words is "sixty-eight billion, seven hundred sixty-eight million, seven hundred thirty thousand, three hundred eighty-nine".