43474 has 4 divisors (see below), whose sum is σ = 65214. Its totient is φ = 21736.

The previous prime is 43457. The next prime is 43481. The reversal of 43474 is 47434.

43474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42849 + 625 = 207^2 + 25^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as **4**^{6} + **3**^{8} + **4**^{7} + **7**^{2} + **4**^{7} .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10867 + ... + 10870.

2^{43474} is an apocalyptic number.

43474 is a deficient number, since it is larger than the sum of its proper divisors (21740).

43474 is a wasteful number, since it uses less digits than its factorization.

43474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21739.

The product of its digits is 1344, while the sum is 22.

The square root of 43474 is about 208.5041966005. The cubic root of 43474 is about 35.1622399835.

The spelling of 43474 in words is "forty-three thousand, four hundred seventy-four", and thus it is an iban number.

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