6715667 has 8 divisors (see below), whose sum is σ = 7706976. Its totient is φ = 5732352.

The previous prime is 6715649. The next prime is 6715679. The reversal of 6715667 is 7665176.

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 6715667 - 2¹² = 6711571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6715667.

It is not an unprimeable number, because it can be changed into a prime (6715627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68 + ... + 3665.

It is an arithmetic number, because the mean of its divisors is an integer number (963372).

Almost surely, 2^6715667 is an apocalyptic number.

6715667 is a deficient number, since it is larger than the sum of its proper divisors (991309).

6715667 is a wasteful number, since it uses less digits than its factorization.

6715667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997.

The product of its digits is 52920, while the sum is 38.

The square root of 6715667 is about 2591.4603990800. The cubic root of 6715667 is about 188.6671914286.

The spelling of 6715667 in words is "six million, seven hundred fifteen thousand, six hundred sixty-seven".