76618427 has 2 divisors, whose sum is σ = 76618428. Its totient is φ = 76618426.

The previous prime is 76618397. The next prime is 76618433. The reversal of 76618427 is 72481667.

It is a strong prime.

It is an emirp because it is prime and its reverse (72481667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76618427 - 2¹² = 76614331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76618447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38309213 + 38309214.

It is an arithmetic number, because the mean of its divisors is an integer number (38309214).

Almost surely, 2^76618427 is an apocalyptic number.

76618427 is a deficient number, since it is larger than the sum of its proper divisors (1).

76618427 is an equidigital number, since it uses as much as digits as its factorization.

76618427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 41.

The square root of 76618427 is about 8753.1952451662. The cubic root of 76618427 is about 424.7281805133.

The spelling of 76618427 in words is "seventy-six million, six hundred eighteen thousand, four hundred twenty-seven".