7273 has 4 divisors (see below), whose sum is σ = 8320. Its totient is φ = 6228.

The previous prime is 7253. The next prime is 7283. The reversal of 7273 is 3727.

7273 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 7273 - 2⁹ = 6761 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 7273.

It is not an unprimeable number, because it can be changed into a prime (7213) 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, 513 + ... + 526.

It is an arithmetic number, because the mean of its divisors is an integer number (2080).

It is an amenable number.

7273 is a deficient number, since it is larger than the sum of its proper divisors (1047).

7273 is a wasteful number, since it uses less digits than its factorization.

7273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its digits is 294, while the sum is 19.

The square root of 7273 is about 85.2818855326. The cubic root of 7273 is about 19.3748283023.

The spelling of 7273 in words is "seven thousand, two hundred seventy-three", and thus it is an iban number.