28002672 has 200 divisors, whose sum is σ = 90744192. Its totient is φ = 8294400.

The previous prime is 28002671. The next prime is 28002743. The reversal of 28002672 is 27620082.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28002671) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 682972 + ... + 683012.

Almost surely, 2^28002672 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 28002672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45372096).

28002672 is an abundant number, since it is smaller than the sum of its proper divisors (62741520).

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

28002672 is a wasteful number, since it uses less digits than its factorization.

28002672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 28002672 is about 5291.7550963740. The cubic root of 28002672 is about 303.6685561252.

The spelling of 28002672 in words is "twenty-eight million, two thousand, six hundred seventy-two".