197725172 has 48 divisors (see below), whose sum is σ = 373208640. Its totient is φ = 91383552.

The previous prime is 197725169. The next prime is 197725271. The reversal of 197725172 is 271527791.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870923 + ... + 871149.

It is an arithmetic number, because the mean of its divisors is an integer number (7775180).

Almost surely, 2^197725172 is an apocalyptic number.

It is an amenable number.

197725172 is a deficient number, since it is larger than the sum of its proper divisors (175483468).

197725172 is a wasteful number, since it uses less digits than its factorization.

197725172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its digits is 61740, while the sum is 41.

The square root of 197725172 is about 14061.4783006624. The cubic root of 197725172 is about 582.5778753478.

The spelling of 197725172 in words is "one hundred ninety-seven million, seven hundred twenty-five thousand, one hundred seventy-two".