68647573375 has 32 divisors (see below), whose sum is σ = 86822461440. Its totient is φ = 54181764000.

The previous prime is 68647573343. The next prime is 68647573403. The reversal of 68647573375 is 57337574686.

It is a happy number.

It is not a de Polignac number, because 68647573375 - 2⁵ = 68647573343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25584784 + ... + 25587466.

It is an arithmetic number, because the mean of its divisors is an integer number (2713201920).

Almost surely, 2^68647573375 is an apocalyptic number.

68647573375 is a deficient number, since it is larger than the sum of its proper divisors (18174888065).

68647573375 is a wasteful number, since it uses less digits than its factorization.

68647573375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5368 (or 5358 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 61.

The spelling of 68647573375 in words is "sixty-eight billion, six hundred forty-seven million, five hundred seventy-three thousand, three hundred seventy-five".