7260689 has 2 divisors, whose sum is σ = 7260690. Its totient is φ = 7260688.

The previous prime is 7260667. The next prime is 7260691. The reversal of 7260689 is 9860627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6210064 + 1050625 = 2492^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 7260689 - 2¹² = 7256593 is a prime.

Together with 7260691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7260619) 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, 3630344 + 3630345.

It is an arithmetic number, because the mean of its divisors is an integer number (3630345).

Almost surely, 2^7260689 is an apocalyptic number.

It is an amenable number.

7260689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7260689 is an equidigital number, since it uses as much as digits as its factorization.

7260689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 7260689 is about 2694.5665699700. The cubic root of 7260689 is about 193.6389021072.

The spelling of 7260689 in words is "seven million, two hundred sixty thousand, six hundred eighty-nine".