43429172 has 6 divisors (see below), whose sum is σ = 76001058. Its totient is φ = 21714584.

The previous prime is 43429151. The next prime is 43429187. The reversal of 43429172 is 27192434.

43429172 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., 26173456 + 17255716 = 5116^2 + 4154^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5428643 + ... + 5428650.

It is an arithmetic number, because the mean of its divisors is an integer number (12666843).

Almost surely, 2^43429172 is an apocalyptic number.

It is an amenable number.

43429172 is a deficient number, since it is larger than the sum of its proper divisors (32571886).

43429172 is a wasteful number, since it uses less digits than its factorization.

43429172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10857297 (or 10857295 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 43429172 is about 6590.0813348547. The cubic root of 43429172 is about 351.5015003710.

The spelling of 43429172 in words is "forty-three million, four hundred twenty-nine thousand, one hundred seventy-two".