43573872 has 40 divisors (see below), whose sum is σ = 114000640. Its totient is φ = 14339520.

The previous prime is 43573867. The next prime is 43573877. The reversal of 43573872 is 27837534.

It is an interprime number because it is at equal distance from previous prime (43573867) and next prime (43573877).

It is a self number, because there is not a number n which added to its sum of digits gives 43573872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43573877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954 + ... + 9537.

It is an arithmetic number, because the mean of its divisors is an integer number (2850016).

Almost surely, 2^43573872 is an apocalyptic number.

It is an amenable number.

43573872 is an abundant number, since it is smaller than the sum of its proper divisors (70426768).

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

43573872 is a wasteful number, since it uses less digits than its factorization.

43573872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581 (or 11575 counting only the distinct ones).

The product of its digits is 141120, while the sum is 39.

The square root of 43573872 is about 6601.0508254368. The cubic root of 43573872 is about 351.8914524117.

The spelling of 43573872 in words is "forty-three million, five hundred seventy-three thousand, eight hundred seventy-two".