197272207 has 16 divisors (see below), whose sum is σ = 222838272. Its totient is φ = 173085120.

The previous prime is 197272183. The next prime is 197272213. The reversal of 197272207 is 702272791.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197272207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197372207) by changing a digit.

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, 35128 + ... + 40354.

It is an arithmetic number, because the mean of its divisors is an integer number (13927392).

Almost surely, 2^197272207 is an apocalyptic number.

197272207 is a deficient number, since it is larger than the sum of its proper divisors (25566065).

197272207 is a wasteful number, since it uses less digits than its factorization.

197272207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 197272207 is about 14045.3624730727. The cubic root of 197272207 is about 582.1326628455.

The spelling of 197272207 in words is "one hundred ninety-seven million, two hundred seventy-two thousand, two hundred seven".