5678567 has 4 divisors (see below), whose sum is σ = 5719560. Its totient is φ = 5637576.

The previous prime is 5678531. The next prime is 5678581. The reversal of 5678567 is 7658765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5678567 - 2¹⁰ = 5677543 is a prime.

It is a super-2 number, since 2×5678567² = 64492246346978, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20288 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (1429890).

Almost surely, 2^5678567 is an apocalyptic number.

5678567 is a deficient number, since it is larger than the sum of its proper divisors (40993).

5678567 is a wasteful number, since it uses less digits than its factorization.

5678567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40992.

The product of its digits is 352800, while the sum is 44.

The square root of 5678567 is about 2382.9744018768. The cubic root of 5678567 is about 178.4074221710.

The spelling of 5678567 in words is "five million, six hundred seventy-eight thousand, five hundred sixty-seven".