180673 has 4 divisors (see below), whose sum is σ = 183040. Its totient is φ = 178308.

The previous prime is 180667. The next prime is 180679. The reversal of 180673 is 376081.

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 an interprime number because it is at equal distance from previous prime (180667) and next prime (180679).

It is a cyclic number.

It is not a de Polignac number, because 180673 - 2⁹ = 180161 is a prime.

It is a Duffinian number.

180673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (180679) 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, 1065 + ... + 1222.

It is an arithmetic number, because the mean of its divisors is an integer number (45760).

2¹⁸⁰⁶⁷³ is an apocalyptic number.

It is an amenable number.

180673 is a deficient number, since it is larger than the sum of its proper divisors (2367).

180673 is an equidigital number, since it uses as much as digits as its factorization.

180673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 180673 is about 425.0564668371. The cubic root of 180673 is about 56.5324427975.

The spelling of 180673 in words is "one hundred eighty thousand, six hundred seventy-three".