68089064 has 16 divisors (see below), whose sum is σ = 128074500. Its totient is φ = 33935872.

The previous prime is 68089061. The next prime is 68089117. The reversal of 68089064 is 46098086.

It can be written as a sum of positive squares in 2 ways, for example, as 58216900 + 9872164 = 7630^2 + 3142^2 .

It is a super-2 number, since 2×68089064² = 9272241272792192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68089061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10889 + ... + 15960.

Almost surely, 2^68089064 is an apocalyptic number.

It is an amenable number.

68089064 is a deficient number, since it is larger than the sum of its proper divisors (59985436).

68089064 is a wasteful number, since it uses less digits than its factorization.

68089064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27172 (or 27168 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 68089064 is about 8251.6097823394. The cubic root of 68089064 is about 408.3436327080.

The spelling of 68089064 in words is "sixty-eight million, eighty-nine thousand, sixty-four".