197872272 has 60 divisors (see below), whose sum is σ = 596370684. Its totient is φ = 60883200.

The previous prime is 197872271. The next prime is 197872291. The reversal of 197872272 is 272278791.

It can be written as a sum of positive squares in 2 ways, for example, as 32080896 + 165791376 = 5664^2 + 12876^2 .

It is not an unprimeable number, because it can be changed into a prime (197872271) 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 11 ways as a sum of consecutive naturals, for example, 50979 + ... + 54722.

Almost surely, 2^197872272 is an apocalyptic number.

197872272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197872272 is an abundant number, since it is smaller than the sum of its proper divisors (398498412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197872272 is a wasteful number, since it uses less digits than its factorization.

197872272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105728 (or 105719 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 197872272 is about 14066.7079304292. The cubic root of 197872272 is about 582.7223114550.

The spelling of 197872272 in words is "one hundred ninety-seven million, eight hundred seventy-two thousand, two hundred seventy-two".