195942717 has 12 divisors (see below), whose sum is σ = 287826240. Its totient is φ = 128414088.

The previous prime is 195942683. The next prime is 195942739. The reversal of 195942717 is 717249591.

It is not a de Polignac number, because 195942717 - 2⁶ = 195942653 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195942767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183973 + ... + 185034.

It is an arithmetic number, because the mean of its divisors is an integer number (23985520).

Almost surely, 2^195942717 is an apocalyptic number.

It is an amenable number.

195942717 is a deficient number, since it is larger than the sum of its proper divisors (91883523).

195942717 is a wasteful number, since it uses less digits than its factorization.

195942717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369072 (or 369069 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 195942717 is about 13997.9540290715. The cubic root of 195942717 is about 580.8219786124.

The spelling of 195942717 in words is "one hundred ninety-five million, nine hundred forty-two thousand, seven hundred seventeen".