28675072 has 44 divisors (see below), whose sum is σ = 58806216. Its totient is φ = 13967360.

The previous prime is 28675033. The next prime is 28675079. The reversal of 28675072 is 27057682.

It is a super-4 number, since 4×28675072⁴ (a number of 31 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (28675079) 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, 41643 + ... + 42325.

Almost surely, 2^28675072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28675072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29403108).

28675072 is an abundant number, since it is smaller than the sum of its proper divisors (30131144).

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

28675072 is an equidigital number, since it uses as much as digits as its factorization.

28675072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 28675072 is about 5354.9110170011. The cubic root of 28675072 is about 306.0799198885.

The spelling of 28675072 in words is "twenty-eight million, six hundred seventy-five thousand, seventy-two".