173424 has 20 divisors (see below), whose sum is σ = 448136. Its totient is φ = 57792.

The previous prime is 173359. The next prime is 173429. The reversal of 173424 is 424371.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 173424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1759 + ... + 1854.

2¹⁷³⁴²⁴ is an apocalyptic number.

It is an amenable number.

173424 is an abundant number, since it is smaller than the sum of its proper divisors (274712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

173424 is a wasteful number, since it uses less digits than its factorization.

173424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624 (or 3618 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 173424 is about 416.4420728024. The cubic root of 173424 is about 55.7660306344.

Adding to 173424 its reverse (424371), we get a palindrome (597795).

It can be divided in two parts, 1734 and 24, that multiplied together give a triangular number (41616 = T₂₈₈).

The spelling of 173424 in words is "one hundred seventy-three thousand, four hundred twenty-four", and thus it is an iban number.