6718441 has 2 divisors, whose sum is σ = 6718442. Its totient is φ = 6718440.

The previous prime is 6718399. The next prime is 6718447. The reversal of 6718441 is 1448176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5760000 + 958441 = 2400^2 + 979^2 .

It is a cyclic number.

It is not a de Polignac number, because 6718441 - 2¹¹ = 6716393 is a prime.

It is not a weakly prime, because it can be changed into another prime (6718447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3359220 + 3359221.

It is an arithmetic number, because the mean of its divisors is an integer number (3359221).

Almost surely, 2^6718441 is an apocalyptic number.

It is an amenable number.

6718441 is a deficient number, since it is larger than the sum of its proper divisors (1).

6718441 is an equidigital number, since it uses as much as digits as its factorization.

6718441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 6718441 is about 2591.9955632678. The cubic root of 6718441 is about 188.6931650584.

The spelling of 6718441 in words is "six million, seven hundred eighteen thousand, four hundred forty-one".