173664272 has 20 divisors (see below), whose sum is σ = 344300880. Its totient is φ = 84812448.

The previous prime is 173664259. The next prime is 173664277. The reversal of 173664272 is 272466371.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (173664277) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 125522 + ... + 126897.

It is an arithmetic number, because the mean of its divisors is an integer number (17215044).

Almost surely, 2^173664272 is an apocalyptic number.

It is an amenable number.

173664272 is a deficient number, since it is larger than the sum of its proper divisors (170636608).

173664272 is a wasteful number, since it uses less digits than its factorization.

173664272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252470 (or 252464 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 173664272 is about 13178.1740768591. The cubic root of 173664272 is about 557.9177261654.

The spelling of 173664272 in words is "one hundred seventy-three million, six hundred sixty-four thousand, two hundred seventy-two".