200073505 has 4 divisors (see below), whose sum is σ = 240088212. Its totient is φ = 160058800.

The previous prime is 200073479. The next prime is 200073521. The reversal of 200073505 is 505370002.

200073505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505370002 = 2 ⋅252685001.

It can be written as a sum of positive squares in 2 ways, for example, as 65351056 + 134722449 = 8084^2 + 11607^2 .

It is not a de Polignac number, because 200073505 - 2²³ = 191684897 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20007346 + ... + 20007355.

It is an arithmetic number, because the mean of its divisors is an integer number (60022053).

Almost surely, 2^200073505 is an apocalyptic number.

It is an amenable number.

200073505 is a deficient number, since it is larger than the sum of its proper divisors (40014707).

200073505 is an equidigital number, since it uses as much as digits as its factorization.

200073505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40014706.

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 200073505 is about 14144.7341791919. The cubic root of 200073505 is about 584.8751821754.

The spelling of 200073505 in words is "two hundred million, seventy-three thousand, five hundred five".