195712705 has 8 divisors (see below), whose sum is σ = 238705704. Its totient is φ = 154003200.

The previous prime is 195712679. The next prime is 195712709. The reversal of 195712705 is 507217591.

195712705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24443136 + 171269569 = 4944^2 + 13087^2 .

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

It is not a de Polignac number, because 195712705 - 2¹⁵ = 195679937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195712709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320536 + ... + 321145.

It is an arithmetic number, because the mean of its divisors is an integer number (29838213).

Almost surely, 2^195712705 is an apocalyptic number.

It is an amenable number.

195712705 is a deficient number, since it is larger than the sum of its proper divisors (42992999).

195712705 is an equidigital number, since it uses as much as digits as its factorization.

195712705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641747.

The product of its (nonzero) digits is 22050, while the sum is 37.

The square root of 195712705 is about 13989.7357015778. The cubic root of 195712705 is about 580.5946190792.

The spelling of 195712705 in words is "one hundred ninety-five million, seven hundred twelve thousand, seven hundred five".