73573 has 8 divisors (see below), whose sum is σ = 79200. Its totient is φ = 68208.

The previous prime is 73571. The next prime is 73583. The reversal of 73573 is 37537.

73573 is nontrivially palindromic in base 11.

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

It is not a de Polignac number, because 73573 - 2¹ = 73571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73571) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (9900).

2⁷³⁵⁷³ is an apocalyptic number.

It is an amenable number.

73573 is a deficient number, since it is larger than the sum of its proper divisors (5627).

73573 is a wasteful number, since it uses less digits than its factorization.

73573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131.

The product of its digits is 2205, while the sum is 25.

The square root of 73573 is about 271.2434331002. The cubic root of 73573 is about 41.9024569316.

It can be divided in two parts, 735 and 73, that added together give a palindrome (808).

The spelling of 73573 in words is "seventy-three thousand, five hundred seventy-three".