76812427 has 2 divisors, whose sum is σ = 76812428. Its totient is φ = 76812426.

The previous prime is 76812413. The next prime is 76812431. The reversal of 76812427 is 72421867.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76812427 - 2⁷ = 76812299 is a prime.

It is not a weakly prime, because it can be changed into another prime (76812227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38406213 + 38406214.

It is an arithmetic number, because the mean of its divisors is an integer number (38406214).

Almost surely, 2^76812427 is an apocalyptic number.

76812427 is a deficient number, since it is larger than the sum of its proper divisors (1).

76812427 is an equidigital number, since it uses as much as digits as its factorization.

76812427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 37.

The square root of 76812427 is about 8764.2699068434. The cubic root of 76812427 is about 425.0863529262.

The spelling of 76812427 in words is "seventy-six million, eight hundred twelve thousand, four hundred twenty-seven".