68426571 has 8 divisors (see below), whose sum is σ = 91699344. Its totient is φ = 45385760.

The previous prime is 68426569. The next prime is 68426597. The reversal of 68426571 is 17562486.

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 68426571 - 2¹ = 68426569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68426521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57300 + ... + 58481.

It is an arithmetic number, because the mean of its divisors is an integer number (11462418).

Almost surely, 2^68426571 is an apocalyptic number.

68426571 is a deficient number, since it is larger than the sum of its proper divisors (23272773).

68426571 is a wasteful number, since it uses less digits than its factorization.

68426571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115981.

The product of its digits is 80640, while the sum is 39.

The square root of 68426571 is about 8272.0354810651. The cubic root of 68426571 is about 409.0172198001.

The spelling of 68426571 in words is "sixty-eight million, four hundred twenty-six thousand, five hundred seventy-one".