197191472 has 20 divisors (see below), whose sum is σ = 382314816. Its totient is φ = 98529600.

The previous prime is 197191459. The next prime is 197191487. The reversal of 197191472 is 274191791.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 28058 + ... + 34374.

Almost surely, 2^197191472 is an apocalyptic number.

It is an amenable number.

197191472 is a deficient number, since it is larger than the sum of its proper divisors (185123344).

197191472 is a wasteful number, since it uses less digits than its factorization.

197191472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8276 (or 8270 counting only the distinct ones).

The product of its digits is 31752, while the sum is 41.

The square root of 197191472 is about 14042.4880986241. The cubic root of 197191472 is about 582.0532380849.

The spelling of 197191472 in words is "one hundred ninety-seven million, one hundred ninety-one thousand, four hundred seventy-two".