43520672 has 48 divisors (see below), whose sum is σ = 92874600. Its totient is φ = 19955712.

The previous prime is 43520647. The next prime is 43520713. The reversal of 43520672 is 27602534.

It can be written as a sum of positive squares in 4 ways, for example, as 25847056 + 17673616 = 5084^2 + 4204^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96704 + ... + 97152.

Almost surely, 2^43520672 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 43520672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46437300).

43520672 is an abundant number, since it is smaller than the sum of its proper divisors (49353928).

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

43520672 is a wasteful number, since it uses less digits than its factorization.

43520672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 43520672 is about 6597.0199332729. The cubic root of 43520672 is about 351.7481842226.

The spelling of 43520672 in words is "forty-three million, five hundred twenty thousand, six hundred seventy-two".