71650027 has 2 divisors, whose sum is σ = 71650028. Its totient is φ = 71650026.

The previous prime is 71650009. The next prime is 71650069. The reversal of 71650027 is 72005617.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71650027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71649977 and 71650004.

It is not a weakly prime, because it can be changed into another prime (71620027) 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, 35825013 + 35825014.

It is an arithmetic number, because the mean of its divisors is an integer number (35825014).

Almost surely, 2^71650027 is an apocalyptic number.

71650027 is a deficient number, since it is larger than the sum of its proper divisors (1).

71650027 is an equidigital number, since it uses as much as digits as its factorization.

71650027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 71650027 is about 8464.6338963950. The cubic root of 71650027 is about 415.3416202896.

The spelling of 71650027 in words is "seventy-one million, six hundred fifty thousand, twenty-seven".