549730 has 8 divisors (see below), whose sum is σ = 989532. Its totient is φ = 219888.

The previous prime is 549719. The next prime is 549733. The reversal of 549730 is 37945.

It can be written as a sum of positive squares in 2 ways, for example, as 543169 + 6561 = 737^2 + 81^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (549733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27477 + ... + 27496.

2⁵⁴⁹⁷³⁰ is an apocalyptic number.

549730 is a deficient number, since it is larger than the sum of its proper divisors (439802).

549730 is a wasteful number, since it uses less digits than its factorization.

549730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54980.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 549730 is about 741.4377924007. The cubic root of 549730 is about 81.9187177902.

The spelling of 549730 in words is "five hundred forty-nine thousand, seven hundred thirty".