30273 has 4 divisors (see below), whose sum is σ = 40368. Its totient is φ = 20180.

The previous prime is 30271. The next prime is 30293. The reversal of 30273 is 37203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37203 = 3 ⋅12401.

It is a cyclic number.

It is not a de Polignac number, because 30273 - 2¹ = 30271 is a prime.

It is a D-number.

30273 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (30271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (10092).

2³⁰²⁷³ is an apocalyptic number.

It is an amenable number.

30273 is a deficient number, since it is larger than the sum of its proper divisors (10095).

30273 is a wasteful number, since it uses less digits than its factorization.

30273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094.

The product of its (nonzero) digits is 126, while the sum is 15.

The square root of 30273 is about 173.9913790968. The cubic root of 30273 is about 31.1662933156.

Adding to 30273 its reverse (37203), we get a palindrome (67476).

It can be divided in two parts, 30 and 273, that added together give a palindrome (303).

The spelling of 30273 in words is "thirty thousand, two hundred seventy-three".