275340 has 48 divisors (see below), whose sum is σ = 832608. Its totient is φ = 67584.

The previous prime is 275339. The next prime is 275357. The reversal of 275340 is 43572.

It is a happy number.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 604 + ... + 956.

It is an arithmetic number, because the mean of its divisors is an integer number (17346).

2²⁷⁵³⁴⁰ is an apocalyptic number.

275340 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 275340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416304).

275340 is an abundant number, since it is smaller than the sum of its proper divisors (557268).

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

275340 is a wasteful number, since it uses less digits than its factorization.

275340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 275340 is about 524.7285012271. The cubic root of 275340 is about 65.0563613715.

The spelling of 275340 in words is "two hundred seventy-five thousand, three hundred forty".