197631272 has 16 divisors (see below), whose sum is σ = 386670240. Its totient is φ = 94519216.

The previous prime is 197631271. The next prime is 197631281. The reversal of 197631272 is 272136791.

It is not an unprimeable number, because it can be changed into a prime (197631271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536858 + ... + 537225.

It is an arithmetic number, because the mean of its divisors is an integer number (24166890).

Almost surely, 2^197631272 is an apocalyptic number.

It is an amenable number.

197631272 is a deficient number, since it is larger than the sum of its proper divisors (189038968).

197631272 is a wasteful number, since it uses less digits than its factorization.

197631272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074112 (or 1074108 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 197631272 is about 14058.1389949026. The cubic root of 197631272 is about 582.4856383573.

The spelling of 197631272 in words is "one hundred ninety-seven million, six hundred thirty-one thousand, two hundred seventy-two".