180003873 has 16 divisors (see below), whose sum is σ = 274728960. Its totient is φ = 102695376.

The previous prime is 180003869. The next prime is 180003877. The reversal of 180003873 is 378300081.

It is an interprime number because it is at equal distance from previous prime (180003869) and next prime (180003877).

It is not a de Polignac number, because 180003873 - 2² = 180003869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 180003873.

It is not an unprimeable number, because it can be changed into a prime (180003877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7336 + ... + 20342.

It is an arithmetic number, because the mean of its divisors is an integer number (17170560).

Almost surely, 2^180003873 is an apocalyptic number.

It is an amenable number.

180003873 is a deficient number, since it is larger than the sum of its proper divisors (94725087).

180003873 is a wasteful number, since it uses less digits than its factorization.

180003873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13676.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 180003873 is about 13416.5522024103. The cubic root of 180003873 is about 564.6256668913.

The spelling of 180003873 in words is "one hundred eighty million, three thousand, eight hundred seventy-three".