43607968 has 24 divisors (see below), whose sum is σ = 86338980. Its totient is φ = 21680640.

The previous prime is 43607947. The next prime is 43607981. The reversal of 43607968 is 86970634.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36144144 + 7463824 = 6012^2 + 2732^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028 + ... + 9556.

Almost surely, 2^43607968 is an apocalyptic number.

It is an amenable number.

43607968 is a deficient number, since it is larger than the sum of its proper divisors (42731012).

43607968 is a wasteful number, since it uses less digits than its factorization.

43607968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7720 (or 7712 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 43607968 is about 6603.6329395265. The cubic root of 43607968 is about 351.9832120093.

The spelling of 43607968 in words is "forty-three million, six hundred seven thousand, nine hundred sixty-eight".