43673568 has 48 divisors (see below), whose sum is σ = 115387776. Its totient is φ = 14463360.

The previous prime is 43673563. The next prime is 43673587. The reversal of 43673568 is 86537634.

43673568 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 (48).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43673563) 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, 14253 + ... + 17043.

It is an arithmetic number, because the mean of its divisors is an integer number (2403912).

Almost surely, 2^43673568 is an apocalyptic number.

43673568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43673568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57693888).

43673568 is an abundant number, since it is smaller than the sum of its proper divisors (71714208).

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

43673568 is a wasteful number, since it uses less digits than its factorization.

43673568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967 (or 2959 counting only the distinct ones).

The product of its digits is 362880, while the sum is 42.

The square root of 43673568 is about 6608.5980358923. The cubic root of 43673568 is about 352.1596211320.

The spelling of 43673568 in words is "forty-three million, six hundred seventy-three thousand, five hundred sixty-eight".