43873064 has 8 divisors (see below), whose sum is σ = 82262010. Its totient is φ = 21936528.

The previous prime is 43873051. The next prime is 43873069. The reversal of 43873064 is 46037834.

43873064 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 only one way, i.e., 31832164 + 12040900 = 5642^2 + 3470^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (43873069) 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 as a sum of consecutive naturals, namely, 2742059 + ... + 2742074.

Almost surely, 2^43873064 is an apocalyptic number.

It is an amenable number.

43873064 is a deficient number, since it is larger than the sum of its proper divisors (38388946).

43873064 is a wasteful number, since it uses less digits than its factorization.

43873064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484139 (or 5484135 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 43873064 is about 6623.6745089112. The cubic root of 43873064 is about 352.6950154078.

The spelling of 43873064 in words is "forty-three million, eight hundred seventy-three thousand, sixty-four".