68568894 has 12 divisors (see below), whose sum is σ = 148565976. Its totient is φ = 22856292.

The previous prime is 68568887. The next prime is 68568901. The reversal of 68568894 is 49886586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68568887) and next prime (68568901).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68568894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1904674 + ... + 1904709.

It is an arithmetic number, because the mean of its divisors is an integer number (12380498).

Almost surely, 2^68568894 is an apocalyptic number.

68568894 is an abundant number, since it is smaller than the sum of its proper divisors (79997082).

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

68568894 is a wasteful number, since it uses less digits than its factorization.

68568894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3809391 (or 3809388 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The square root of 68568894 is about 8280.6336714046. The cubic root of 68568894 is about 409.3006001888.

The spelling of 68568894 in words is "sixty-eight million, five hundred sixty-eight thousand, eight hundred ninety-four".