68243064 has 64 divisors (see below), whose sum is σ = 176774400. Its totient is φ = 21939456.

The previous prime is 68243057. The next prime is 68243099. The reversal of 68243064 is 46034286.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 91477 + ... + 92219.

It is an arithmetic number, because the mean of its divisors is an integer number (2762100).

Almost surely, 2^68243064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68243064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88387200).

68243064 is an abundant number, since it is smaller than the sum of its proper divisors (108531336).

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

68243064 is a wasteful number, since it uses less digits than its factorization.

68243064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 68243064 is about 8260.9360244466. The cubic root of 68243064 is about 408.6512570917.

The spelling of 68243064 in words is "sixty-eight million, two hundred forty-three thousand, sixty-four".