172882 has 4 divisors (see below), whose sum is σ = 259326. Its totient is φ = 86440.

The previous prime is 172877. The next prime is 172883. The reversal of 172882 is 288271.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 143641 + 29241 = 379^2 + 171^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 172882.

It is not an unprimeable number, because it can be changed into a prime (172883) by changing a digit.

172882 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43219 + ... + 43222.

2¹⁷²⁸⁸² is an apocalyptic number.

172882 is a deficient number, since it is larger than the sum of its proper divisors (86444).

172882 is an equidigital number, since it uses as much as digits as its factorization.

172882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86443.

The product of its digits is 1792, while the sum is 28.

The square root of 172882 is about 415.7908127893. The cubic root of 172882 is about 55.7078750333.

The spelling of 172882 in words is "one hundred seventy-two thousand, eight hundred eighty-two".