200726197 has 12 divisors (see below), whose sum is σ = 241551180. Its totient is φ = 166117056.

The previous prime is 200726189. The next prime is 200726213. The reversal of 200726197 is 791627002.

It can be written as a sum of positive squares in 2 ways, for example, as 56942116 + 143784081 = 7546^2 + 11991^2 .

It is not a de Polignac number, because 200726197 - 2³ = 200726189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200723197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69208 + ... + 72049.

It is an arithmetic number, because the mean of its divisors is an integer number (20129265).

Almost surely, 2^200726197 is an apocalyptic number.

It is an amenable number.

200726197 is a deficient number, since it is larger than the sum of its proper divisors (40824983).

200726197 is a wasteful number, since it uses less digits than its factorization.

200726197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141300 (or 141293 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 200726197 is about 14167.7873007750. The cubic root of 200726197 is about 585.5104969940.

The spelling of 200726197 in words is "two hundred million, seven hundred twenty-six thousand, one hundred ninety-seven".