197318075 has 6 divisors (see below), whose sum is σ = 244674444. Its totient is φ = 157854440.

The previous prime is 197318057. The next prime is 197318083. The reversal of 197318075 is 570813791.

It is not a de Polignac number, because 197318075 - 2¹⁸ = 197055931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 3946337 + ... + 3946386.

It is an arithmetic number, because the mean of its divisors is an integer number (40779074).

Almost surely, 2^197318075 is an apocalyptic number.

197318075 is a deficient number, since it is larger than the sum of its proper divisors (47356369).

197318075 is an equidigital number, since it uses as much as digits as its factorization.

197318075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892733 (or 7892728 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 197318075 is about 14046.9952302975. The cubic root of 197318075 is about 582.1777768063.

The spelling of 197318075 in words is "one hundred ninety-seven million, three hundred eighteen thousand, seventy-five".