7636997 has 2 divisors, whose sum is σ = 7636998. Its totient is φ = 7636996.

The previous prime is 7636963. The next prime is 7636999. The reversal of 7636997 is 7996367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7392961 + 244036 = 2719^2 + 494^2 .

7636997 is a truncatable prime.

It is an emirp because it is prime and its reverse (7996367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7636997 - 2¹⁰ = 7635973 is a prime.

Together with 7636999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7636999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3818498 + 3818499.

It is an arithmetic number, because the mean of its divisors is an integer number (3818499).

Almost surely, 2^7636997 is an apocalyptic number.

It is an amenable number.

7636997 is a deficient number, since it is larger than the sum of its proper divisors (1).

7636997 is an equidigital number, since it uses as much as digits as its factorization.

7636997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 428652, while the sum is 47.

The square root of 7636997 is about 2763.5117151914. The cubic root of 7636997 is about 196.9280316363.

It can be divided in two parts, 76 and 36997, that added together give a palindrome (37073).

The spelling of 7636997 in words is "seven million, six hundred thirty-six thousand, nine hundred ninety-seven".