195806073 has 8 divisors (see below), whose sum is σ = 265500000. Its totient is φ = 128324768.

The previous prime is 195806063. The next prime is 195806081. The reversal of 195806073 is 370608591.

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

It is a cyclic number.

It is not a de Polignac number, because 195806073 - 2¹⁴ = 195789689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (195806063) 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 7 ways as a sum of consecutive naturals, for example, 552948 + ... + 553301.

It is an arithmetic number, because the mean of its divisors is an integer number (33187500).

Almost surely, 2^195806073 is an apocalyptic number.

It is an amenable number.

195806073 is a deficient number, since it is larger than the sum of its proper divisors (69693927).

195806073 is a wasteful number, since it uses less digits than its factorization.

195806073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106311.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 195806073 is about 13993.0723216883. The cubic root of 195806073 is about 580.6869318398.

The spelling of 195806073 in words is "one hundred ninety-five million, eight hundred six thousand, seventy-three".