197274266 has 32 divisors (see below), whose sum is σ = 364290048. Its totient is φ = 78257520.

The previous prime is 197274257. The next prime is 197274271. The reversal of 197274266 is 662472791.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 101 + ... + 19863.

It is an arithmetic number, because the mean of its divisors is an integer number (11384064).

Almost surely, 2^197274266 is an apocalyptic number.

197274266 is a deficient number, since it is larger than the sum of its proper divisors (167015782).

197274266 is a wasteful number, since it uses less digits than its factorization.

197274266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19826.

The product of its digits is 254016, while the sum is 44.

The square root of 197274266 is about 14045.4357710966. The cubic root of 197274266 is about 582.1346881468.

The spelling of 197274266 in words is "one hundred ninety-seven million, two hundred seventy-four thousand, two hundred sixty-six".