6667565 has 8 divisors (see below), whose sum is σ = 8072568. Its totient is φ = 5286400.

The previous prime is 6667541. The next prime is 6667589. The reversal of 6667565 is 5657666.

It is an interprime number because it is at equal distance from previous prime (6667541) and next prime (6667589).

It can be written as a sum of positive squares in 4 ways, for example, as 841 + 6666724 = 29^2 + 2582^2 .

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

It is not a de Polignac number, because 6667565 - 2¹² = 6663469 is a prime.

It is a Duffinian number.

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, 5336 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (1009071).

Almost surely, 2^6667565 is an apocalyptic number.

It is an amenable number.

6667565 is a deficient number, since it is larger than the sum of its proper divisors (1405003).

6667565 is a wasteful number, since it uses less digits than its factorization.

6667565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11919.

The product of its digits is 226800, while the sum is 41.

The square root of 6667565 is about 2582.1628531136. The cubic root of 6667565 is about 188.2156590369.

The spelling of 6667565 in words is "six million, six hundred sixty-seven thousand, five hundred sixty-five".