43271073 has 12 divisors (see below), whose sum is σ = 65220480. Its totient is φ = 27593016.

The previous prime is 43271051. The next prime is 43271077. The reversal of 43271073 is 37017234.

It is not a de Polignac number, because 43271073 - 2¹⁷ = 43140001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43271077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104313 + ... + 104726.

It is an arithmetic number, because the mean of its divisors is an integer number (5435040).

Almost surely, 2^43271073 is an apocalyptic number.

It is an amenable number.

43271073 is a deficient number, since it is larger than the sum of its proper divisors (21949407).

43271073 is a wasteful number, since it uses less digits than its factorization.

43271073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209068 (or 209065 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 43271073 is about 6578.0751743956. The cubic root of 43271073 is about 351.0744478896.

The spelling of 43271073 in words is "forty-three million, two hundred seventy-one thousand, seventy-three".