28973373 has 16 divisors (see below), whose sum is σ = 45385536. Its totient is φ = 16208640.

The previous prime is 28973359. The next prime is 28973377. The reversal of 28973373 is 37337982.

It is not a de Polignac number, because 28973373 - 2¹⁴ = 28956989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28973377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33340 + ... + 34197.

It is an arithmetic number, because the mean of its divisors is an integer number (2836596).

Almost surely, 2^28973373 is an apocalyptic number.

It is an amenable number.

28973373 is a deficient number, since it is larger than the sum of its proper divisors (16412163).

28973373 is a wasteful number, since it uses less digits than its factorization.

28973373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67564.

The product of its digits is 190512, while the sum is 42.

The square root of 28973373 is about 5382.6919844999. The cubic root of 28973373 is about 307.1376232233.

The spelling of 28973373 in words is "twenty-eight million, nine hundred seventy-three thousand, three hundred seventy-three".