6662741 has 2 divisors, whose sum is σ = 6662742. Its totient is φ = 6662740.

The previous prime is 6662723. The next prime is 6662743. The reversal of 6662741 is 1472666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6482116 + 180625 = 2546^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662741 - 2¹⁴ = 6646357 is a prime.

Together with 6662743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6662698 and 6662707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6662743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331370 + 3331371.

It is an arithmetic number, because the mean of its divisors is an integer number (3331371).

Almost surely, 2^6662741 is an apocalyptic number.

It is an amenable number.

6662741 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662741 is an equidigital number, since it uses as much as digits as its factorization.

6662741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 6662741 is about 2581.2285834463. The cubic root of 6662741 is about 188.1702565850.

The spelling of 6662741 in words is "six million, six hundred sixty-two thousand, seven hundred forty-one".