28072341 has 24 divisors (see below), whose sum is σ = 44680896. Its totient is φ = 16842240.

The previous prime is 28072339. The next prime is 28072361. The reversal of 28072341 is 14327082.

It is not a de Polignac number, because 28072341 - 2¹ = 28072339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28072361) 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 23 ways as a sum of consecutive naturals, for example, 8821 + ... + 11573.

It is an arithmetic number, because the mean of its divisors is an integer number (1861704).

Almost surely, 2^28072341 is an apocalyptic number.

It is an amenable number.

28072341 is a deficient number, since it is larger than the sum of its proper divisors (16608555).

28072341 is a wasteful number, since it uses less digits than its factorization.

28072341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873 (or 2870 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 28072341 is about 5298.3337946943. Note that the first 3 decimals coincide. The cubic root of 28072341 is about 303.9201840610.

The spelling of 28072341 in words is "twenty-eight million, seventy-two thousand, three hundred forty-one".