71768927 has 2 divisors, whose sum is σ = 71768928. Its totient is φ = 71768926.

The previous prime is 71768923. The next prime is 71768929. The reversal of 71768927 is 72986717.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71768927 - 2² = 71768923 is a prime.

Together with 71768929, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71768923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35884463 + 35884464.

It is an arithmetic number, because the mean of its divisors is an integer number (35884464).

Almost surely, 2^71768927 is an apocalyptic number.

71768927 is a deficient number, since it is larger than the sum of its proper divisors (1).

71768927 is an equidigital number, since it uses as much as digits as its factorization.

71768927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 47.

The square root of 71768927 is about 8471.6543248648. The cubic root of 71768927 is about 415.5712402398.

The spelling of 71768927 in words is "seventy-one million, seven hundred sixty-eight thousand, nine hundred twenty-seven".