274420 has 12 divisors (see below), whose sum is σ = 576324. Its totient is φ = 109760.

The previous prime is 274403. The next prime is 274423. The reversal of 274420 is 24472.

It can be written as a sum of positive squares in 2 ways, for example, as 77284 + 197136 = 278^2 + 444^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274423) by changing a digit.

274420 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6841 + ... + 6880.

It is an arithmetic number, because the mean of its divisors is an integer number (48027).

2²⁷⁴⁴²⁰ is an apocalyptic number.

274420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274420 is an abundant number, since it is smaller than the sum of its proper divisors (301904).

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

274420 is a wasteful number, since it uses less digits than its factorization.

274420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730 (or 13728 counting only the distinct ones).

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

The square root of 274420 is about 523.8511238892. The cubic root of 274420 is about 64.9838224039.

Adding to 274420 its reverse (24472), we get a palindrome (298892).

The spelling of 274420 in words is "two hundred seventy-four thousand, four hundred twenty", and thus it is an iban number.