68273757571 has 8 divisors (see below), whose sum is σ = 68420118960. Its totient is φ = 68127445152.

The previous prime is 68273757557. The next prime is 68273757581. The reversal of 68273757571 is 17575737286.

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 68273757571 - 2²⁷ = 68139539843 is a prime.

It is a super-3 number, since 3×68273757571³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68273757581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4518996 + ... + 4534078.

It is an arithmetic number, because the mean of its divisors is an integer number (8552514870).

Almost surely, 2^68273757571 is an apocalyptic number.

68273757571 is a deficient number, since it is larger than the sum of its proper divisors (146361389).

68273757571 is a wasteful number, since it uses less digits than its factorization.

68273757571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24485.

The product of its digits is 17287200, while the sum is 58.

The spelling of 68273757571 in words is "sixty-eight billion, two hundred seventy-three million, seven hundred fifty-seven thousand, five hundred seventy-one".