43480720 has 20 divisors (see below), whose sum is σ = 101092860. Its totient is φ = 17392256.

The previous prime is 43480709. The next prime is 43480727. The reversal of 43480720 is 2708434.

43480720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29463184 + 14017536 = 5428^2 + 3744^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (43480727) 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 3 ways as a sum of consecutive naturals, for example, 271675 + ... + 271834.

It is an arithmetic number, because the mean of its divisors is an integer number (5054643).

Almost surely, 2^43480720 is an apocalyptic number.

43480720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43480720 is an abundant number, since it is smaller than the sum of its proper divisors (57612140).

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

43480720 is a wasteful number, since it uses less digits than its factorization.

43480720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543522 (or 543516 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 43480720 is about 6593.9912041191. The cubic root of 43480720 is about 351.6405162629.

The spelling of 43480720 in words is "forty-three million, four hundred eighty thousand, seven hundred twenty".