43421475 has 24 divisors (see below), whose sum is σ = 71995392. Its totient is φ = 23092000.

The previous prime is 43421459. The next prime is 43421489. The reversal of 43421475 is 57412434.

43421475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43421475 - 2⁴ = 43421459 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 37150 + ... + 38300.

It is an arithmetic number, because the mean of its divisors is an integer number (2999808).

Almost surely, 2^43421475 is an apocalyptic number.

43421475 is a deficient number, since it is larger than the sum of its proper divisors (28573917).

43421475 is a wasteful number, since it uses less digits than its factorization.

43421475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1662 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 43421475 is about 6589.4973252897. The cubic root of 43421475 is about 351.4807334780.

The spelling of 43421475 in words is "forty-three million, four hundred twenty-one thousand, four hundred seventy-five".