6627697 has 2 divisors, whose sum is σ = 6627698. Its totient is φ = 6627696.

The previous prime is 6627679. The next prime is 6627701. The reversal of 6627697 is 7967266.

It is a happy number.

Together with previous prime (6627679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5948721 + 678976 = 2439^2 + 824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6627697 is a prime.

It is not a weakly prime, because it can be changed into another prime (6627617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313848 + 3313849.

It is an arithmetic number, because the mean of its divisors is an integer number (3313849).

Almost surely, 2^6627697 is an apocalyptic number.

It is an amenable number.

6627697 is a deficient number, since it is larger than the sum of its proper divisors (1).

6627697 is an equidigital number, since it uses as much as digits as its factorization.

6627697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 43.

The square root of 6627697 is about 2574.4313935314. The cubic root of 6627697 is about 187.8397702979.

The spelling of 6627697 in words is "six million, six hundred twenty-seven thousand, six hundred ninety-seven".