7706641 has 2 divisors, whose sum is σ = 7706642. Its totient is φ = 7706640.

The previous prime is 7706617. The next prime is 7706669. The reversal of 7706641 is 1466077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6027025 + 1679616 = 2455^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 7706641 - 2⁷ = 7706513 is a prime.

It is not a weakly prime, because it can be changed into another prime (7706681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3853320 + 3853321.

It is an arithmetic number, because the mean of its divisors is an integer number (3853321).

Almost surely, 2^7706641 is an apocalyptic number.

It is an amenable number.

7706641 is a deficient number, since it is larger than the sum of its proper divisors (1).

7706641 is an equidigital number, since it uses as much as digits as its factorization.

7706641 is an evil number, because the sum of its binary digits is even.

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

The square root of 7706641 is about 2776.0837523389. The cubic root of 7706641 is about 197.5248358448.

The spelling of 7706641 in words is "seven million, seven hundred six thousand, six hundred forty-one".