7704661 has 2 divisors, whose sum is σ = 7704662. Its totient is φ = 7704660.

The previous prime is 7704629. The next prime is 7704667. The reversal of 7704661 is 1664077.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5317636 + 2387025 = 2306^2 + 1545^2 .

It is a cyclic number.

It is not a de Polignac number, because 7704661 - 2⁵ = 7704629 is a prime.

It is a super-2 number, since 2×7704661² = 118723602249842, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7704667) 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, 3852330 + 3852331.

It is an arithmetic number, because the mean of its divisors is an integer number (3852331).

Almost surely, 2^7704661 is an apocalyptic number.

It is an amenable number.

7704661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7704661 is an equidigital number, since it uses as much as digits as its factorization.

7704661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 7704661 is about 2775.7271119474. The cubic root of 7704661 is about 197.5079182853.

The spelling of 7704661 in words is "seven million, seven hundred four thousand, six hundred sixty-one".