5667645 has 8 divisors (see below), whose sum is σ = 9068256. Its totient is φ = 3022736.

The previous prime is 5667631. The next prime is 5667667. The reversal of 5667645 is 5467665.

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

It is a cyclic number.

It is not a de Polignac number, because 5667645 - 2⁷ = 5667517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188907 + ... + 188936.

It is an arithmetic number, because the mean of its divisors is an integer number (1133532).

Almost surely, 2^5667645 is an apocalyptic number.

It is an amenable number.

5667645 is a deficient number, since it is larger than the sum of its proper divisors (3400611).

5667645 is a wasteful number, since it uses less digits than its factorization.

5667645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377851.

The product of its digits is 151200, while the sum is 39.

The square root of 5667645 is about 2380.6816250814. The cubic root of 5667645 is about 178.2929674460.

The spelling of 5667645 in words is "five million, six hundred sixty-seven thousand, six hundred forty-five".