28073361 has 8 divisors (see below), whose sum is σ = 37905280. Its totient is φ = 18478512.

The previous prime is 28073299. The next prime is 28073369. The reversal of 28073361 is 16337082.

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

It is not a de Polignac number, because 28073361 - 2¹⁰ = 28072337 is a prime.

It is a super-2 number, since 2×28073361² = 1576227195672642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28073369) 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, 58990 + ... + 59463.

It is an arithmetic number, because the mean of its divisors is an integer number (4738160).

Almost surely, 2^28073361 is an apocalyptic number.

It is an amenable number.

28073361 is a deficient number, since it is larger than the sum of its proper divisors (9831919).

28073361 is a wasteful number, since it uses less digits than its factorization.

28073361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118535.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 28073361 is about 5298.4300504961. The cubic root of 28073361 is about 303.9238649656.

The spelling of 28073361 in words is "twenty-eight million, seventy-three thousand, three hundred sixty-one".