43420572 has 36 divisors (see below), whose sum is σ = 118201720. Its totient is φ = 13360032.

The previous prime is 43420543. The next prime is 43420579. The reversal of 43420572 is 27502434.

43420572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43420579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45922 + ... + 46857.

Almost surely, 2^43420572 is an apocalyptic number.

It is an amenable number.

43420572 is an abundant number, since it is smaller than the sum of its proper divisors (74781148).

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

43420572 is a wasteful number, since it uses less digits than its factorization.

43420572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92802 (or 92797 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 43420572 is about 6589.4288068087. The cubic root of 43420572 is about 351.4782969778.

The spelling of 43420572 in words is "forty-three million, four hundred twenty thousand, five hundred seventy-two".