28576173 has 8 divisors (see below), whose sum is σ = 39131488. Its totient is φ = 18535824.

The previous prime is 28576157. The next prime is 28576183. The reversal of 28576173 is 37167582.

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

It is not a de Polignac number, because 28576173 - 2⁴ = 28576157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28576183) 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, 128611 + ... + 128832.

It is an arithmetic number, because the mean of its divisors is an integer number (4891436).

Almost surely, 2^28576173 is an apocalyptic number.

It is an amenable number.

28576173 is a deficient number, since it is larger than the sum of its proper divisors (10555315).

28576173 is a wasteful number, since it uses less digits than its factorization.

28576173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257483.

The product of its digits is 70560, while the sum is 39.

The square root of 28576173 is about 5345.6686204814. The cubic root of 28576173 is about 305.7276293936.

It can be divided in two parts, 28 and 576173, that added together give a triangular number (576201 = T₁₀₇₃).

The spelling of 28576173 in words is "twenty-eight million, five hundred seventy-six thousand, one hundred seventy-three".