28080273 has 8 divisors (see below), whose sum is σ = 40320448. Its totient is φ = 17280144.

The previous prime is 28080257. The next prime is 28080289. The reversal of 28080273 is 37208082.

It is an interprime number because it is at equal distance from previous prime (28080257) and next prime (28080289).

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

It is not a de Polignac number, because 28080273 - 2⁴ = 28080257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28080273.

It is not an unprimeable number, because it can be changed into a prime (28080473) 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, 359965 + ... + 360042.

It is an arithmetic number, because the mean of its divisors is an integer number (5040056).

Almost surely, 2^28080273 is an apocalyptic number.

It is an amenable number.

28080273 is a deficient number, since it is larger than the sum of its proper divisors (12240175).

28080273 is a wasteful number, since it uses less digits than its factorization.

28080273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720023.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 28080273 is about 5299.0822790366. The cubic root of 28080273 is about 303.9488061589.

It can be divided in two parts, 280802 and 73, that added together give a triangular number (280875 = T₇₄₉).

The spelling of 28080273 in words is "twenty-eight million, eighty thousand, two hundred seventy-three".