195731738 has 16 divisors (see below), whose sum is σ = 298680480. Its totient is φ = 96186000.

The previous prime is 195731717. The next prime is 195731773. The reversal of 195731738 is 837137591.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24593 + ... + 31563.

It is an arithmetic number, because the mean of its divisors is an integer number (18667530).

Almost surely, 2^195731738 is an apocalyptic number.

195731738 is a deficient number, since it is larger than the sum of its proper divisors (102948742).

195731738 is a wasteful number, since it uses less digits than its factorization.

195731738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213.

The product of its digits is 158760, while the sum is 44.

The square root of 195731738 is about 13990.4159337741. The cubic root of 195731738 is about 580.6134393515.

The spelling of 195731738 in words is "one hundred ninety-five million, seven hundred thirty-one thousand, seven hundred thirty-eight".