172207 has 8 divisors (see below), whose sum is σ = 200096. Its totient is φ = 145152.

The previous prime is 172199. The next prime is 172213. The reversal of 172207 is 702271.

172207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 172207 - 2³ = 172199 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343 + ... + 679.

It is an arithmetic number, because the mean of its divisors is an integer number (25012).

2¹⁷²²⁰⁷ is an apocalyptic number.

172207 is a deficient number, since it is larger than the sum of its proper divisors (27889).

172207 is an equidigital number, since it uses as much as digits as its factorization.

172207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 196, while the sum is 19.

The square root of 172207 is about 414.9783126863. The cubic root of 172207 is about 55.6352785786.

Adding to 172207 its reverse (702271), we get a palindrome (874478).

The spelling of 172207 in words is "one hundred seventy-two thousand, two hundred seven", and thus it is an iban number.