43520872 has 32 divisors (see below), whose sum is σ = 83836800. Its totient is φ = 21170304.

The previous prime is 43520831. The next prime is 43520879. The reversal of 43520872 is 27802534.

It is not an unprimeable number, because it can be changed into a prime (43520879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106204 + ... + 106612.

It is an arithmetic number, because the mean of its divisors is an integer number (2619900).

Almost surely, 2^43520872 is an apocalyptic number.

It is an amenable number.

43520872 is a deficient number, since it is larger than the sum of its proper divisors (40315928).

43520872 is a wasteful number, since it uses less digits than its factorization.

43520872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 741 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 43520872 is about 6597.0350916150. The cubic root of 43520872 is about 351.7487230434.

The spelling of 43520872 in words is "forty-three million, five hundred twenty thousand, eight hundred seventy-two".