73545 has 8 divisors (see below), whose sum is σ = 117696. Its totient is φ = 39216.

The previous prime is 73529. The next prime is 73547. The reversal of 73545 is 54537.

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

It is not a de Polignac number, because 73545 - 2⁴ = 73529 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (73547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (14712).

2⁷³⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

73545 is a deficient number, since it is larger than the sum of its proper divisors (44151).

73545 is a wasteful number, since it uses less digits than its factorization.

73545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4911.

The product of its digits is 2100, while the sum is 24.

The square root of 73545 is about 271.1918140357. The cubic root of 73545 is about 41.8971405897.

It can be divided in two parts, 735 and 45, that added together give a triangular number (780 = T₃₉).

The spelling of 73545 in words is "seventy-three thousand, five hundred forty-five".