43672028 has 12 divisors (see below), whose sum is σ = 79061640. Its totient is φ = 21082992.

The previous prime is 43672021. The next prime is 43672039. The reversal of 43672028 is 82027634.

43672028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43671985 and 43672003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43672021) 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, 188126 + ... + 188357.

It is an arithmetic number, because the mean of its divisors is an integer number (6588470).

Almost surely, 2^43672028 is an apocalyptic number.

It is an amenable number.

43672028 is a deficient number, since it is larger than the sum of its proper divisors (35389612).

43672028 is a wasteful number, since it uses less digits than its factorization.

43672028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376516 (or 376514 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 43672028 is about 6608.4815199863. The cubic root of 43672028 is about 352.1554818458.

The spelling of 43672028 in words is "forty-three million, six hundred seventy-two thousand, twenty-eight".