68204066 has 16 divisors (see below), whose sum is σ = 117513600. Its totient is φ = 29082240.

The previous prime is 68204029. The next prime is 68204069. The reversal of 68204066 is 66040286.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68204069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9455 + ... + 15026.

It is an arithmetic number, because the mean of its divisors is an integer number (7344600).

Almost surely, 2^68204066 is an apocalyptic number.

68204066 is a deficient number, since it is larger than the sum of its proper divisors (49309534).

68204066 is a wasteful number, since it uses less digits than its factorization.

68204066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24689.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 68204066 is about 8258.5753008615. The cubic root of 68204066 is about 408.5734000054.

The spelling of 68204066 in words is "sixty-eight million, two hundred four thousand, sixty-six".