68557026 has 8 divisors (see below), whose sum is σ = 137114064. Its totient is φ = 22852340.

The previous prime is 68557009. The next prime is 68557061. The reversal of 68557026 is 62075586.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

68557026 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5713080 + ... + 5713091.

It is an arithmetic number, because the mean of its divisors is an integer number (17139258).

Almost surely, 2^68557026 is an apocalyptic number.

68557026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68557026 is a wasteful number, since it uses less digits than its factorization.

68557026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11426176.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 68557026 is about 8279.9170285698. The cubic root of 68557026 is about 409.2769847196.

The spelling of 68557026 in words is "sixty-eight million, five hundred fifty-seven thousand, twenty-six".