6756987 has 8 divisors (see below), whose sum is σ = 9063936. Its totient is φ = 4477352.

The previous prime is 6756983. The next prime is 6756991. The reversal of 6756987 is 7896576.

It is an interprime number because it is at equal distance from previous prime (6756983) and next prime (6756991).

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 6756987 - 2² = 6756983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6756983) 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, 6243 + ... + 7244.

It is an arithmetic number, because the mean of its divisors is an integer number (1132992).

Almost surely, 2^6756987 is an apocalyptic number.

6756987 is a deficient number, since it is larger than the sum of its proper divisors (2306949).

6756987 is a wasteful number, since it uses less digits than its factorization.

6756987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13657.

The product of its digits is 635040, while the sum is 48.

The square root of 6756987 is about 2599.4205123450. The cubic root of 6756987 is about 189.0533429119.

The spelling of 6756987 in words is "six million, seven hundred fifty-six thousand, nine hundred eighty-seven".