43478667 has 16 divisors (see below), whose sum is σ = 64757760. Its totient is φ = 28830600.

The previous prime is 43478629. The next prime is 43478711. The reversal of 43478667 is 76687434.

It is not a de Polignac number, because 43478667 - 2¹⁴ = 43462283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43477667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (4047360).

Almost surely, 2^43478667 is an apocalyptic number.

43478667 is a deficient number, since it is larger than the sum of its proper divisors (21279093).

43478667 is a wasteful number, since it uses less digits than its factorization.

43478667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631 (or 8625 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 43478667 is about 6593.8355302510. The cubic root of 43478667 is about 351.6349817843.

The spelling of 43478667 in words is "forty-three million, four hundred seventy-eight thousand, six hundred sixty-seven".