6716987 has 8 divisors (see below), whose sum is σ = 7096320. Its totient is φ = 6347880.

The previous prime is 6716977. The next prime is 6716993. The reversal of 6716987 is 7896176.

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 6716987 - 2⁶ = 6716923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6716917) 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, 1187 + ... + 3852.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 2^6716987 is an apocalyptic number.

6716987 is a deficient number, since it is larger than the sum of its proper divisors (379333).

6716987 is a wasteful number, since it uses less digits than its factorization.

6716987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113.

The product of its digits is 127008, while the sum is 44.

The square root of 6716987 is about 2591.7150692158. The cubic root of 6716987 is about 188.6795517982.

The spelling of 6716987 in words is "six million, seven hundred sixteen thousand, nine hundred eighty-seven".