201673172 has 24 divisors (see below), whose sum is σ = 357993216. Its totient is φ = 99399168.

The previous prime is 201673169. The next prime is 201673189. The reversal of 201673172 is 271376102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94388 + ... + 96500.

It is an arithmetic number, because the mean of its divisors is an integer number (14916384).

Almost surely, 2^201673172 is an apocalyptic number.

It is an amenable number.

201673172 is a deficient number, since it is larger than the sum of its proper divisors (156320044).

201673172 is a wasteful number, since it uses less digits than its factorization.

201673172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2445 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 201673172 is about 14201.1679801346. The cubic root of 201673172 is about 586.4298158634.

The spelling of 201673172 in words is "two hundred one million, six hundred seventy-three thousand, one hundred seventy-two".