6716939 has 4 divisors (see below), whose sum is σ = 6782256. Its totient is φ = 6651624.

The previous prime is 6716929. The next prime is 6716953. The reversal of 6716939 is 9396176.

6716939 = 68² + 69² + ... + 273².

It is a happy number.

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 6716939 - 2⁴ = 6716923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6716896 and 6716905.

It is not an unprimeable number, because it can be changed into a prime (6716909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32504 + ... + 32709.

It is an arithmetic number, because the mean of its divisors is an integer number (1695564).

Almost surely, 2^6716939 is an apocalyptic number.

6716939 is a deficient number, since it is larger than the sum of its proper divisors (65317).

6716939 is a wasteful number, since it uses less digits than its factorization.

6716939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65316.

The product of its digits is 61236, while the sum is 41.

The square root of 6716939 is about 2591.7058089220. The cubic root of 6716939 is about 188.6791023586.

The spelling of 6716939 in words is "six million, seven hundred sixteen thousand, nine hundred thirty-nine".