71468939 has 2 divisors, whose sum is σ = 71468940. Its totient is φ = 71468938.

The previous prime is 71468923. The next prime is 71468959. The reversal of 71468939 is 93986417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71468939 - 2⁴ = 71468923 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71468893 and 71468902.

It is not a weakly prime, because it can be changed into another prime (71468959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35734469 + 35734470.

It is an arithmetic number, because the mean of its divisors is an integer number (35734470).

Almost surely, 2^71468939 is an apocalyptic number.

71468939 is a deficient number, since it is larger than the sum of its proper divisors (1).

71468939 is an equidigital number, since it uses as much as digits as its factorization.

71468939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 71468939 is about 8453.9303876954. The cubic root of 71468939 is about 414.9914141544.

The spelling of 71468939 in words is "seventy-one million, four hundred sixty-eight thousand, nine hundred thirty-nine".