28202073 has 8 divisors (see below), whose sum is σ = 37890336. Its totient is φ = 18657600.

The previous prime is 28202039. The next prime is 28202089. The reversal of 28202073 is 37020282.

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

It is not a de Polignac number, because 28202073 - 2⁹ = 28201561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28202093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35488 + ... + 36273.

It is an arithmetic number, because the mean of its divisors is an integer number (4736292).

Almost surely, 2^28202073 is an apocalyptic number.

It is an amenable number.

28202073 is a deficient number, since it is larger than the sum of its proper divisors (9688263).

28202073 is a wasteful number, since it uses less digits than its factorization.

28202073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71895.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 28202073 is about 5310.5623995957. The cubic root of 28202073 is about 304.3876381492.

The spelling of 28202073 in words is "twenty-eight million, two hundred two thousand, seventy-three".