43472171 has 4 divisors (see below), whose sum is σ = 45760200. Its totient is φ = 41184144.

The previous prime is 43472167. The next prime is 43472207. The reversal of 43472171 is 17127434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17127434 = 2 ⋅8563717.

It is a cyclic number.

It is not a de Polignac number, because 43472171 - 2² = 43472167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43472101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143986 + ... + 1144023.

It is an arithmetic number, because the mean of its divisors is an integer number (11440050).

Almost surely, 2^43472171 is an apocalyptic number.

43472171 is a deficient number, since it is larger than the sum of its proper divisors (2288029).

43472171 is a wasteful number, since it uses less digits than its factorization.

43472171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288028.

The product of its digits is 4704, while the sum is 29.

The square root of 43472171 is about 6593.3429305626. The cubic root of 43472171 is about 351.6174687158.

The spelling of 43472171 in words is "forty-three million, four hundred seventy-two thousand, one hundred seventy-one".