28572672 has 88 divisors (see below), whose sum is σ = 77818752. Its totient is φ = 9318400.

The previous prime is 28572623. The next prime is 28572679. The reversal of 28572672 is 27627582.

It is a self number, because there is not a number n which added to its sum of digits gives 28572672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28572679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218047 + ... + 218177.

It is an arithmetic number, because the mean of its divisors is an integer number (884304).

Almost surely, 2^28572672 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 28572672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38909376).

28572672 is an abundant number, since it is smaller than the sum of its proper divisors (49246080).

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

28572672 is a wasteful number, since it uses less digits than its factorization.

28572672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 207 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 28572672 is about 5345.3411490755. The cubic root of 28572672 is about 305.7151435119.

The spelling of 28572672 in words is "twenty-eight million, five hundred seventy-two thousand, six hundred seventy-two".