4505872 has 20 divisors (see below), whose sum is σ = 9977536. Its totient is φ = 1931040.

The previous prime is 4505863. The next prime is 4505899. The reversal of 4505872 is 2785054.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20004 + ... + 20227.

Almost surely, 2^4505872 is an apocalyptic number.

It is an amenable number.

4505872 is an abundant number, since it is smaller than the sum of its proper divisors (5471664).

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

4505872 is a wasteful number, since it uses less digits than its factorization.

4505872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40246 (or 40240 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 4505872 is about 2122.7039360212. The cubic root of 4505872 is about 165.1681420353.

The spelling of 4505872 in words is "four million, five hundred five thousand, eight hundred seventy-two".