274432 has 26 divisors (see below), whose sum is σ = 556988. Its totient is φ = 135168.

The previous prime is 274423. The next prime is 274441. The reversal of 274432 is 234472.

It is an interprime number because it is at equal distance from previous prime (274423) and next prime (274441).

It is a super-4 number, since 4×274432⁴ (a number of 23 digits) contains 4444 as substring.

It is a d-powerful number, because it can be written as 2¹¹ + 7³ + 4⁷ + 4⁸ + 3¹⁰ + 2¹⁷ .

It is a nialpdrome in base 16.

It is a zygodrome in base 3.

It is an unprimeable number.

274432 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 (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4063 + ... + 4129.

2²⁷⁴⁴³² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278494).

274432 is an abundant number, since it is smaller than the sum of its proper divisors (282556).

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

274432 is an frugal number, since it uses more digits than its factorization.

274432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 69 counting only the distinct ones).

The product of its digits is 1344, while the sum is 22.

The square root of 274432 is about 523.8625773998. The cubic root of 274432 is about 64.9847696071.

The spelling of 274432 in words is "two hundred seventy-four thousand, four hundred thirty-two".