274402 has 4 divisors (see below), whose sum is σ = 411606. Its totient is φ = 137200.

The previous prime is 274361. The next prime is 274403. The reversal of 274402 is 204472.

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., 269361 + 5041 = 519^2 + 71^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 274402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274403) by changing a digit.

274402 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, 68599 + ... + 68602.

2²⁷⁴⁴⁰² is an apocalyptic number.

274402 is a deficient number, since it is larger than the sum of its proper divisors (137204).

274402 is a wasteful number, since it uses less digits than its factorization.

274402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137203.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 274402 is about 523.8339431537. The cubic root of 274402 is about 64.9824015474.

Adding to 274402 its reverse (204472), we get a palindrome (478874).

It can be divided in two parts, 274 and 402, that added together give a palindrome (676).

The spelling of 274402 in words is "two hundred seventy-four thousand, four hundred two", and thus it is an iban number.