68566224 has 40 divisors (see below), whose sum is σ = 178336800. Its totient is φ = 22699648.

The previous prime is 68566177. The next prime is 68566229. The reversal of 68566224 is 42266586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68566229) by changing a digit.

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, 2359 + ... + 11945.

It is an arithmetic number, because the mean of its divisors is an integer number (4458420).

Almost surely, 2^68566224 is an apocalyptic number.

It is an amenable number.

68566224 is an abundant number, since it is smaller than the sum of its proper divisors (109770576).

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

68566224 is a wasteful number, since it uses less digits than its factorization.

68566224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9747 (or 9741 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 68566224 is about 8280.4724502893. The cubic root of 68566224 is about 409.2952875427.

The spelling of 68566224 in words is "sixty-eight million, five hundred sixty-six thousand, two hundred twenty-four".