28567672 has 16 divisors (see below), whose sum is σ = 61216560. Its totient is φ = 12243264.

The previous prime is 28567657. The next prime is 28567673. The reversal of 28567672 is 27676582.

It is a super-2 number, since 2×28567672² = 1632223766999168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28567673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255013 + ... + 255124.

It is an arithmetic number, because the mean of its divisors is an integer number (3826035).

Almost surely, 2^28567672 is an apocalyptic number.

It is an amenable number.

28567672 is an abundant number, since it is smaller than the sum of its proper divisors (32648888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28567672 is a wasteful number, since it uses less digits than its factorization.

28567672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510150 (or 510146 counting only the distinct ones).

The product of its digits is 282240, while the sum is 43.

The square root of 28567672 is about 5344.8734316165. The cubic root of 28567672 is about 305.6973098643.

The spelling of 28567672 in words is "twenty-eight million, five hundred sixty-seven thousand, six hundred seventy-two".