6717946 has 4 divisors (see below), whose sum is σ = 10076922. Its totient is φ = 3358972.

The previous prime is 6717899. The next prime is 6717947. The reversal of 6717946 is 6497176.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6682225 + 35721 = 2585^2 + 189^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 6717946 parts by 3665 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 6717899 and 6717908.

It is not an unprimeable number, because it can be changed into a prime (6717947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1679485 + ... + 1679488.

Almost surely, 2^6717946 is an apocalyptic number.

6717946 is a deficient number, since it is larger than the sum of its proper divisors (3358976).

6717946 is a wasteful number, since it uses less digits than its factorization.

6717946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358975.

The product of its digits is 63504, while the sum is 40.

The square root of 6717946 is about 2591.9000752344. The cubic root of 6717946 is about 188.6885307784.

The spelling of 6717946 in words is "six million, seven hundred seventeen thousand, nine hundred forty-six".