43670434 has 8 divisors (see below), whose sum is σ = 67276188. Its totient is φ = 21245040.

The previous prime is 43670423. The next prime is 43670437. The reversal of 43670434 is 43407634.

43670434 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 2 ways, for example, as 40259025 + 3411409 = 6345^2 + 1847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43670396 and 43670405.

It is not an unprimeable number, because it can be changed into a prime (43670437) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 294997 + ... + 295144.

Almost surely, 2^43670434 is an apocalyptic number.

43670434 is a deficient number, since it is larger than the sum of its proper divisors (23605754).

43670434 is a wasteful number, since it uses less digits than its factorization.

43670434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590180.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 43670434 is about 6608.3609162938. The cubic root of 43670434 is about 352.1511973133.

The spelling of 43670434 in words is "forty-three million, six hundred seventy thousand, four hundred thirty-four".