174421 has 4 divisors (see below), whose sum is σ = 187852. Its totient is φ = 160992.

The previous prime is 174413. The next prime is 174431. The reversal of 174421 is 124471.

174421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is the 171-st star number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44100 + 130321 = 210^2 + 361^2 .

It is not a de Polignac number, because 174421 - 2³ = 174413 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 4.

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 (174431) 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, 6696 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (46963).

2¹⁷⁴⁴²¹ is an apocalyptic number.

It is an amenable number.

174421 is a deficient number, since it is larger than the sum of its proper divisors (13431).

174421 is a wasteful number, since it uses less digits than its factorization.

174421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13430.

The product of its digits is 224, while the sum is 19.

The square root of 174421 is about 417.6374025396. The cubic root of 174421 is about 55.8726912415.

Adding to 174421 its reverse (124471), we get a palindrome (298892).

It can be divided in two parts, 174 and 421, that added together give a palindrome (595).

The spelling of 174421 in words is "one hundred seventy-four thousand, four hundred twenty-one", and thus it is an iban number.