5667945 has 16 divisors (see below), whose sum is σ = 9101760. Its totient is φ = 3011904.

The previous prime is 5667941. The next prime is 5667971. The reversal of 5667945 is 5497665.

It is not a de Polignac number, because 5667945 - 2² = 5667941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5667897 and 5667906.

It is not an unprimeable number, because it can be changed into a prime (5667941) 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 15 ways as a sum of consecutive naturals, for example, 5187 + ... + 6183.

It is an arithmetic number, because the mean of its divisors is an integer number (568860).

Almost surely, 2^5667945 is an apocalyptic number.

It is an amenable number.

5667945 is a deficient number, since it is larger than the sum of its proper divisors (3433815).

5667945 is a wasteful number, since it uses less digits than its factorization.

5667945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its digits is 226800, while the sum is 42.

The square root of 5667945 is about 2380.7446314126. The cubic root of 5667945 is about 178.2961131938.

The spelling of 5667945 in words is "five million, six hundred sixty-seven thousand, nine hundred forty-five".