73273 has 4 divisors (see below), whose sum is σ = 74880. Its totient is φ = 71668.

The previous prime is 73259. The next prime is 73277. The reversal of 73273 is 37237.

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: 37237 = 23 ⋅1619.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73273 is a prime.

It is a Duffinian number.

73273 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (73277) 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, 733 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (18720).

2⁷³²⁷³ is an apocalyptic number.

It is an amenable number.

73273 is a deficient number, since it is larger than the sum of its proper divisors (1607).

73273 is a wasteful number, since it uses less digits than its factorization.

73273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606.

The product of its digits is 882, while the sum is 22.

The square root of 73273 is about 270.6898594333. The cubic root of 73273 is about 41.8454257655.

The spelling of 73273 in words is "seventy-three thousand, two hundred seventy-three", and thus it is an iban number.