28272952 has 16 divisors (see below), whose sum is σ = 53174160. Its totient is φ = 14093184.

The previous prime is 28272949. The next prime is 28272967. The reversal of 28272952 is 25927282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548 + ... + 7939.

It is an arithmetic number, because the mean of its divisors is an integer number (3323385).

Almost surely, 2^28272952 is an apocalyptic number.

It is an amenable number.

28272952 is a deficient number, since it is larger than the sum of its proper divisors (24901208).

28272952 is a wasteful number, since it uses less digits than its factorization.

28272952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10830 (or 10826 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 28272952 is about 5317.2316105282. The cubic root of 28272952 is about 304.6424260669.

The spelling of 28272952 in words is "twenty-eight million, two hundred seventy-two thousand, nine hundred fifty-two".