200193729 has 16 divisors (see below), whose sum is σ = 268934400. Its totient is φ = 132462720.

The previous prime is 200193703. The next prime is 200193731. The reversal of 200193729 is 927391002.

It is not a de Polignac number, because 200193729 - 2⁷ = 200193601 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200193729.

It is not an unprimeable number, because it can be changed into a prime (200191729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383989 + ... + 384509.

It is an arithmetic number, because the mean of its divisors is an integer number (16808400).

Almost surely, 2^200193729 is an apocalyptic number.

It is an amenable number.

200193729 is a deficient number, since it is larger than the sum of its proper divisors (68740671).

200193729 is a wasteful number, since it uses less digits than its factorization.

200193729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 200193729 is about 14148.9833203662. The cubic root of 200193729 is about 584.9923090522.

The spelling of 200193729 in words is "two hundred million, one hundred ninety-three thousand, seven hundred twenty-nine".