71214911 has 2 divisors, whose sum is σ = 71214912. Its totient is φ = 71214910.

The previous prime is 71214901. The next prime is 71214937. The reversal of 71214911 is 11941217.

It is an a-pointer prime, because the next prime (71214937) can be obtained adding 71214911 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71214911 - 2¹⁸ = 70952767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71214901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35607455 + 35607456.

It is an arithmetic number, because the mean of its divisors is an integer number (35607456).

Almost surely, 2^71214911 is an apocalyptic number.

71214911 is a deficient number, since it is larger than the sum of its proper divisors (1).

71214911 is an equidigital number, since it uses as much as digits as its factorization.

71214911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 26.

The square root of 71214911 is about 8438.8927591243. The cubic root of 71214911 is about 414.4991509511.

The spelling of 71214911 in words is "seventy-one million, two hundred fourteen thousand, nine hundred eleven".