7069 has 2 divisors, whose sum is σ = 7070. Its totient is φ = 7068.
The previous prime is 7057. The next prime is 7079. The reversal of 7069 is 9607.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5625 + 1444 = 75^2 + 38^2 .
It is a cyclic number.
It is not a de Polignac number, because 7069 - 211 = 5021 is a prime.
It is a super-2 number, since 2×70692 = 99941522, which contains 22 as substring.
It is a Chen prime.
7069 is a lucky number.
It is a nialpdrome in base 12.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3534 + 3535.
It is an arithmetic number, because the mean of its divisors is an integer number (3535).
It is an amenable number.
7069 is a deficient number, since it is larger than the sum of its proper divisors (1).
7069 is an equidigital number, since it uses as much as digits as its factorization.
7069 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 378, while the sum is 22.
The square root of 7069 is about 84.0773453434. The cubic root of 7069 is about 19.1919598859.
Adding to 7069 its product of nonzero digits (378), we get a palindrome (7447).
The spelling of 7069 in words is "seven thousand, sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •