65076709 has 2 divisors, whose sum is σ = 65076710. Its totient is φ = 65076708.

The previous prime is 65076707. The next prime is 65076721. The reversal of 65076709 is 90767056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51408900 + 13667809 = 7170^2 + 3697^2 .

It is a cyclic number.

It is not a de Polignac number, because 65076709 - 2¹ = 65076707 is a prime.

Together with 65076707, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65076701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32538354 + 32538355.

It is an arithmetic number, because the mean of its divisors is an integer number (32538355).

Almost surely, 2^65076709 is an apocalyptic number.

It is an amenable number.

65076709 is a deficient number, since it is larger than the sum of its proper divisors (1).

65076709 is an equidigital number, since it uses as much as digits as its factorization.

65076709 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 65076709 is about 8067.0136357886. The cubic root of 65076709 is about 402.2306807837.

The spelling of 65076709 in words is "sixty-five million, seventy-six thousand, seven hundred nine".