28060732 has 36 divisors (see below), whose sum is σ = 58084824. Its totient is φ = 11823840.

The previous prime is 28060717. The next prime is 28060733. The reversal of 28060732 is 23706082.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 28060732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10783 + ... + 13129.

Almost surely, 2^28060732 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 28060732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29042412).

28060732 is an abundant number, since it is smaller than the sum of its proper divisors (30024092).

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

28060732 is a wasteful number, since it uses less digits than its factorization.

28060732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426 (or 2417 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 28060732 is about 5297.2381483184. The cubic root of 28060732 is about 303.8782840299.

The spelling of 28060732 in words is "twenty-eight million, sixty thousand, seven hundred thirty-two".