28167472 has 10 divisors (see below), whose sum is σ = 54574508. Its totient is φ = 14083728.

The previous prime is 28167449. The next prime is 28167473. The reversal of 28167472 is 27476182.

It is not an unprimeable number, because it can be changed into a prime (28167473) 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 as a sum of consecutive naturals, namely, 880218 + ... + 880249.

Almost surely, 2^28167472 is an apocalyptic number.

It is an amenable number.

28167472 is a deficient number, since it is larger than the sum of its proper divisors (26407036).

28167472 is a wasteful number, since it uses less digits than its factorization.

28167472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760475 (or 1760469 counting only the distinct ones).

The product of its digits is 37632, while the sum is 37.

The square root of 28167472 is about 5307.3036468625. The cubic root of 28167472 is about 304.2631032509.

The spelling of 28167472 in words is "twenty-eight million, one hundred sixty-seven thousand, four hundred seventy-two".