73045 has 8 divisors (see below), whose sum is σ = 100224. Its totient is φ = 50064.

The previous prime is 73043. The next prime is 73061. The reversal of 73045 is 54037.

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

It is not a de Polignac number, because 73045 - 2¹ = 73043 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73043) 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, 1009 + ... + 1078.

It is an arithmetic number, because the mean of its divisors is an integer number (12528).

2⁷³⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

73045 is a deficient number, since it is larger than the sum of its proper divisors (27179).

73045 is a wasteful number, since it uses less digits than its factorization.

73045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 73045 is about 270.2683851286. The cubic root of 73045 is about 41.8019778831.

The spelling of 73045 in words is "seventy-three thousand, forty-five".