68062140234617 has 8 divisors (see below), whose sum is σ = 68586140205576. Its totient is φ = 67539285620352.

The previous prime is 68062140234611. The next prime is 68062140234659. The reversal of 68062140234617 is 71643204126086.

It can be written as a sum of positive squares in 4 ways, for example, as 18053185201216 + 50008955033401 = 4248904^2 + 7071701^2 .

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 68062140234617 - 2¹⁸ = 68062139972473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68062140234611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286219868 + ... + 286457565.

It is an arithmetic number, because the mean of its divisors is an integer number (8573267525697).

Almost surely, 2^{68062140234617} is an apocalyptic number.

It is an amenable number.

68062140234617 is a deficient number, since it is larger than the sum of its proper divisors (523999970959).

68062140234617 is a wasteful number, since it uses less digits than its factorization.

68062140234617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572678347.

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 68062140234617 in words is "sixty-eight trillion, sixty-two billion, one hundred forty million, two hundred thirty-four thousand, six hundred seventeen".