4272432672 has 24 divisors (see below), whose sum is σ = 11215136016. Its totient is φ = 1424144192.

The previous prime is 4272432641. The next prime is 4272432683. The reversal of 4272432672 is 2762342724.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4272432672.

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, 22252158 + ... + 22252349.

It is an arithmetic number, because the mean of its divisors is an integer number (467297334).

Almost surely, 2^4272432672 is an apocalyptic number.

It is an amenable number.

4272432672 is an abundant number, since it is smaller than the sum of its proper divisors (6942703344).

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

4272432672 is a wasteful number, since it uses less digits than its factorization.

4272432672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44504520 (or 44504512 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 4272432672 is about 65363.8483567178. The cubic root of 4272432672 is about 1622.6508284662.

The spelling of 4272432672 in words is "four billion, two hundred seventy-two million, four hundred thirty-two thousand, six hundred seventy-two".