174402 has 12 divisors (see below), whose sum is σ = 377910. Its totient is φ = 58128.

The previous prime is 174389. The next prime is 174407. The reversal of 174402 is 204471.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 145161 + 29241 = 381^2 + 171^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 9689 = 174402 / (1 + 7 + 4 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (174407) by changing a digit.

174402 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4827 + ... + 4862.

2¹⁷⁴⁴⁰² is an apocalyptic number.

174402 is an abundant number, since it is smaller than the sum of its proper divisors (203508).

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

174402 is a wasteful number, since it uses less digits than its factorization.

174402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697 (or 9694 counting only the distinct ones).

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

The square root of 174402 is about 417.6146549153. The cubic root of 174402 is about 55.8706623962.

Adding to 174402 its reverse (204471), we get a palindrome (378873).

It can be divided in two parts, 174 and 402, that added together give a square (576 = 24²).

The spelling of 174402 in words is "one hundred seventy-four thousand, four hundred two", and thus it is an iban number.