7705669 has 2 divisors, whose sum is σ = 7705670. Its totient is φ = 7705668.

The previous prime is 7705651. The next prime is 7705679. The reversal of 7705669 is 9665077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4601025 + 3104644 = 2145^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 7705669 - 2⁹ = 7705157 is a prime.

It is a super-2 number, since 2×7705669² = 118754669475122, which contains 22 as substring.

It is a Chen prime.

7705669 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7705609) 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, 3852834 + 3852835.

It is an arithmetic number, because the mean of its divisors is an integer number (3852835).

Almost surely, 2^7705669 is an apocalyptic number.

It is an amenable number.

7705669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7705669 is an equidigital number, since it uses as much as digits as its factorization.

7705669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 7705669 is about 2775.9086800542. The cubic root of 7705669 is about 197.5165312232.

The spelling of 7705669 in words is "seven million, seven hundred five thousand, six hundred sixty-nine".