28635072 has 112 divisors (see below), whose sum is σ = 83100672. Its totient is φ = 8663040.

The previous prime is 28635067. The next prime is 28635091. The reversal of 28635072 is 27053682.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101043 + ... + 101325.

Almost surely, 2^28635072 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 28635072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41550336).

28635072 is an abundant number, since it is smaller than the sum of its proper divisors (54465600).

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

28635072 is a wasteful number, since it uses less digits than its factorization.

28635072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 28635072 is about 5351.1748242792. The cubic root of 28635072 is about 305.9375326372.

The spelling of 28635072 in words is "twenty-eight million, six hundred thirty-five thousand, seventy-two".