6662437 has 2 divisors, whose sum is σ = 6662438. Its totient is φ = 6662436.

The previous prime is 6662417. The next prime is 6662449. The reversal of 6662437 is 7342666.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5410276 + 1252161 = 2326^2 + 1119^2 .

It is a cyclic number.

It is not a de Polignac number, because 6662437 - 2⁷ = 6662309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6662417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3331218 + 3331219.

It is an arithmetic number, because the mean of its divisors is an integer number (3331219).

Almost surely, 2^6662437 is an apocalyptic number.

It is an amenable number.

6662437 is a deficient number, since it is larger than the sum of its proper divisors (1).

6662437 is an equidigital number, since it uses as much as digits as its factorization.

6662437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 6662437 is about 2581.1696960874. The cubic root of 6662437 is about 188.1673946684.

The spelling of 6662437 in words is "six million, six hundred sixty-two thousand, four hundred thirty-seven".