174420 has 96 divisors (see below), whose sum is σ = 604800. Its totient is φ = 41472.

The previous prime is 174413. The next prime is 174431. The reversal of 174420 is 24471.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 174393 and 174402.

It is a congruent number.

It is an unprimeable number.

174420 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 in 31 ways as a sum of consecutive naturals, for example, 9171 + ... + 9189.

It is an arithmetic number, because the mean of its divisors is an integer number (6300).

2¹⁷⁴⁴²⁰ is an apocalyptic number.

174420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 174420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302400).

174420 is an abundant number, since it is smaller than the sum of its proper divisors (430380).

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

174420 is a wasteful number, since it uses less digits than its factorization.

174420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 174420 is about 417.6362053271. The cubic root of 174420 is about 55.8725844638.

Adding to 174420 its reverse (24471), we get a palindrome (198891).

It can be divided in two parts, 1744 and 20, that added together give a square (1764 = 42²).

The spelling of 174420 in words is "one hundred seventy-four thousand, four hundred twenty", and thus it is an iban number.