76276609 has 2 divisors, whose sum is σ = 76276610. Its totient is φ = 76276608.

The previous prime is 76276591. The next prime is 76276631. The reversal of 76276609 is 90667267.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 34480384 = 6465^2 + 5872^2 .

It is an emirp because it is prime and its reverse (90667267) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76276609 - 2⁹ = 76276097 is a prime.

It is not a weakly prime, because it can be changed into another prime (76276639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38138304 + 38138305.

It is an arithmetic number, because the mean of its divisors is an integer number (38138305).

Almost surely, 2^76276609 is an apocalyptic number.

It is an amenable number.

76276609 is a deficient number, since it is larger than the sum of its proper divisors (1).

76276609 is an equidigital number, since it uses as much as digits as its factorization.

76276609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 76276609 is about 8733.6480922922. The cubic root of 76276609 is about 424.0956252368.

The spelling of 76276609 in words is "seventy-six million, two hundred seventy-six thousand, six hundred nine".