274720 has 48 divisors (see below), whose sum is σ = 694008. Its totient is φ = 102400.

The previous prime is 274711. The next prime is 274723. The reversal of 274720 is 27472.

274720 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 274576 + 144 = 524^2 + 12^2 .

It is a junction number, because it is equal to n+sod(n) for n = 274691 and 274700.

It is not an unprimeable number, because it can be changed into a prime (274723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2670 + ... + 2770.

2²⁷⁴⁷²⁰ is an apocalyptic number.

274720 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 274720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347004).

274720 is an abundant number, since it is smaller than the sum of its proper divisors (419288).

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

274720 is a wasteful number, since it uses less digits than its factorization.

274720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 274720 is about 524.1373865696. The cubic root of 274720 is about 65.0074942050.

The spelling of 274720 in words is "two hundred seventy-four thousand, seven hundred twenty", and thus it is an iban number.