43748020 has 24 divisors (see below), whose sum is σ = 92733984. Its totient is φ = 17334816.

The previous prime is 43748017. The next prime is 43748027. The reversal of 43748020 is 2084734.

43748020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 43748020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43748027) 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 7 ways as a sum of consecutive naturals, for example, 8082 + ... + 12361.

It is an arithmetic number, because the mean of its divisors is an integer number (3863916).

Almost surely, 2^43748020 is an apocalyptic number.

It is an amenable number.

43748020 is an abundant number, since it is smaller than the sum of its proper divisors (48985964).

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

43748020 is a wasteful number, since it uses less digits than its factorization.

43748020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20559 (or 20557 counting only the distinct ones).

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

The square root of 43748020 is about 6614.2286020367. The cubic root of 43748020 is about 352.3596208463.

The spelling of 43748020 in words is "forty-three million, seven hundred forty-eight thousand, twenty".