274530 has 16 divisors (see below), whose sum is σ = 658944. Its totient is φ = 73200.

The previous prime is 274529. The next prime is 274579. The reversal of 274530 is 35472.

It is a happy number.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 274497 and 274506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4546 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (41184).

2²⁷⁴⁵³⁰ is an apocalyptic number.

274530 is an abundant number, since it is smaller than the sum of its proper divisors (384414).

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

274530 is a wasteful number, since it uses less digits than its factorization.

274530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9161.

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

The square root of 274530 is about 523.9561050317. The cubic root of 274530 is about 64.9925040666.

It can be divided in two parts, 2745 and 30, that added together give a triangular number (2775 = T₇₄).

The spelling of 274530 in words is "two hundred seventy-four thousand, five hundred thirty".