68368564 has 24 divisors (see below), whose sum is σ = 130894848. Its totient is φ = 30987840.

The previous prime is 68368549. The next prime is 68368589. The reversal of 68368564 is 46586386.

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 7 ways as a sum of consecutive naturals, for example, 14824 + ... + 18880.

It is an arithmetic number, because the mean of its divisors is an integer number (5453952).

Almost surely, 2^68368564 is an apocalyptic number.

It is an amenable number.

68368564 is a deficient number, since it is larger than the sum of its proper divisors (62526284).

68368564 is a wasteful number, since it uses less digits than its factorization.

68368564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455 (or 4453 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 68368564 is about 8268.5285268904. The cubic root of 68368564 is about 408.9016089147.

It can be divided in two parts, 6836 and 8564, that added together give a triangular number (15400 = T₁₇₅).

The spelling of 68368564 in words is "sixty-eight million, three hundred sixty-eight thousand, five hundred sixty-four".