68327730757 has 32 divisors (see below), whose sum is σ = 83030040576. Its totient is φ = 55376222400.

The previous prime is 68327730739. The next prime is 68327730767. The reversal of 68327730757 is 75703772386.

It is a cyclic number.

It is not a de Polignac number, because 68327730757 - 2¹¹ = 68327728709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68327730698 and 68327730707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68327730767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2214478 + ... + 2245120.

It is an arithmetic number, because the mean of its divisors is an integer number (2594688768).

Almost surely, 2^68327730757 is an apocalyptic number.

It is an amenable number.

68327730757 is a deficient number, since it is larger than the sum of its proper divisors (14702309819).

68327730757 is a wasteful number, since it uses less digits than its factorization.

68327730757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31201.

The product of its (nonzero) digits is 10372320, while the sum is 55.

The spelling of 68327730757 in words is "sixty-eight billion, three hundred twenty-seven million, seven hundred thirty thousand, seven hundred fifty-seven".