200066721 has 8 divisors (see below), whose sum is σ = 268230144. Its totient is φ = 132640560.

The previous prime is 200066707. The next prime is 200066729. The reversal of 200066721 is 127660002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 200066721 - 2¹⁴ = 200050337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200066691 and 200066700.

It is not an unprimeable number, because it can be changed into a prime (200066729) 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, 183681 + ... + 184766.

It is an arithmetic number, because the mean of its divisors is an integer number (33528768).

Almost surely, 2^200066721 is an apocalyptic number.

It is an amenable number.

200066721 is a deficient number, since it is larger than the sum of its proper divisors (68163423).

200066721 is a wasteful number, since it uses less digits than its factorization.

200066721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368631.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 200066721 is about 14144.4943706023. The cubic root of 200066721 is about 584.8685715415.

The spelling of 200066721 in words is "two hundred million, sixty-six thousand, seven hundred twenty-one".