274740 has 48 divisors (see below), whose sum is σ = 813120. Its totient is φ = 69120.

The previous prime is 274739. The next prime is 274751. The reversal of 274740 is 47472.

274740 is nontrivially palindromic in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 274740.

It is a congruent number.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 1020 + ... + 1260.

It is an arithmetic number, because the mean of its divisors is an integer number (16940).

2²⁷⁴⁷⁴⁰ is an apocalyptic number.

274740 is a gapful number since it is divisible by the number (20) 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 274740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406560).

274740 is an abundant number, since it is smaller than the sum of its proper divisors (538380).

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

274740 is a wasteful number, since it uses less digits than its factorization.

274740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 274740 is about 524.1564651895. The cubic root of 274740 is about 65.0090717122.

The spelling of 274740 in words is "two hundred seventy-four thousand, seven hundred forty", and thus it is an iban number.