68015064 has 96 divisors (see below), whose sum is σ = 189075600. Its totient is φ = 20367360.

The previous prime is 68015053. The next prime is 68015083. The reversal of 68015064 is 46051086.

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 23 ways as a sum of consecutive naturals, for example, 166092 + ... + 166500.

Almost surely, 2^68015064 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 68015064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94537800).

68015064 is an abundant number, since it is smaller than the sum of its proper divisors (121060536).

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

68015064 is a wasteful number, since it uses less digits than its factorization.

68015064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 68015064 is about 8247.1245898192. The cubic root of 68015064 is about 408.1956481882.

The spelling of 68015064 in words is "sixty-eight million, fifteen thousand, sixty-four".