173272385 has 32 divisors (see below), whose sum is σ = 247992192. Its totient is φ = 114554880.

The previous prime is 173272367. The next prime is 173272387. The reversal of 173272385 is 583272371.

173272385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-173272385 is a prime.

It is not an unprimeable number, because it can be changed into a prime (173272387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46097 + ... + 49713.

It is an arithmetic number, because the mean of its divisors is an integer number (7749756).

Almost surely, 2^173272385 is an apocalyptic number.

It is an amenable number.

173272385 is a deficient number, since it is larger than the sum of its proper divisors (74719807).

173272385 is a wasteful number, since it uses less digits than its factorization.

173272385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713.

The product of its digits is 70560, while the sum is 38.

The square root of 173272385 is about 13163.2968894574. The cubic root of 173272385 is about 557.4977484542.

The spelling of 173272385 in words is "one hundred seventy-three million, two hundred seventy-two thousand, three hundred eighty-five".