6790687 has 4 divisors (see below), whose sum is σ = 6856720. Its totient is φ = 6724656.

The previous prime is 6790649. The next prime is 6790691. The reversal of 6790687 is 7860976.

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 6790687 - 2⁷ = 6790559 is a prime.

It is a super-2 number, since 2×6790687² = 92226859863938, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6790697) 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, 32862 + ... + 33067.

It is an arithmetic number, because the mean of its divisors is an integer number (1714180).

Almost surely, 2^6790687 is an apocalyptic number.

6790687 is a deficient number, since it is larger than the sum of its proper divisors (66033).

6790687 is a wasteful number, since it uses less digits than its factorization.

6790687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66032.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 6790687 is about 2605.8946640262. The cubic root of 6790687 is about 189.3671186182.

The spelling of 6790687 in words is "six million, seven hundred ninety thousand, six hundred eighty-seven".