43473874 has 4 divisors (see below), whose sum is σ = 65210814. Its totient is φ = 21736936.

The previous prime is 43473869. The next prime is 43473889. The reversal of 43473874 is 47837434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47837434 = 2 ⋅23918717.

It can be written as a sum of positive squares in only one way, i.e., 40259025 + 3214849 = 6345^2 + 1793^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10868467 + ... + 10868470.

Almost surely, 2^43473874 is an apocalyptic number.

43473874 is a deficient number, since it is larger than the sum of its proper divisors (21736940).

43473874 is a wasteful number, since it uses less digits than its factorization.

43473874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21736939.

The product of its digits is 225792, while the sum is 40.

The square root of 43473874 is about 6593.4720747115. The cubic root of 43473874 is about 351.6220601339.

The spelling of 43473874 in words is "forty-three million, four hundred seventy-three thousand, eight hundred seventy-four".