197181472 has 24 divisors (see below), whose sum is σ = 393120000. Its totient is φ = 97341504.

The previous prime is 197181443. The next prime is 197181529. The reversal of 197181472 is 274181791.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36472 + ... + 41527.

It is an arithmetic number, because the mean of its divisors is an integer number (16380000).

Almost surely, 2^197181472 is an apocalyptic number.

It is an amenable number.

197181472 is a deficient number, since it is larger than the sum of its proper divisors (195938528).

197181472 is an equidigital number, since it uses as much as digits as its factorization.

197181472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78088 (or 78080 counting only the distinct ones).

The product of its digits is 28224, while the sum is 40.

The square root of 197181472 is about 14042.1320318533. The cubic root of 197181472 is about 582.0433988650.

The spelling of 197181472 in words is "one hundred ninety-seven million, one hundred eighty-one thousand, four hundred seventy-two".