28848073 has 4 divisors (see below), whose sum is σ = 29778688. Its totient is φ = 27917460.

The previous prime is 28848041. The next prime is 28848107. The reversal of 28848073 is 37084882.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37084882 = 2 ⋅18542441.

It is a cyclic number.

It is not a de Polignac number, because 28848073 - 2⁵ = 28848041 is a prime.

It is a super-2 number, since 2×28848073² = 1664422631626658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28848013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465261 + ... + 465322.

It is an arithmetic number, because the mean of its divisors is an integer number (7444672).

Almost surely, 2^28848073 is an apocalyptic number.

It is an amenable number.

28848073 is a deficient number, since it is larger than the sum of its proper divisors (930615).

28848073 is an equidigital number, since it uses as much as digits as its factorization.

28848073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930614.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 28848073 is about 5371.0402158241. The cubic root of 28848073 is about 306.6942281204.

The spelling of 28848073 in words is "twenty-eight million, eight hundred forty-eight thousand, seventy-three".