71371379 has 2 divisors, whose sum is σ = 71371380. Its totient is φ = 71371378.

The previous prime is 71371367. The next prime is 71371381. The reversal of 71371379 is 97317317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71371379 - 2²⁰ = 70322803 is a prime.

It is a Sophie Germain prime.

Together with 71371381, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 71371379 parts by 11947 straight cuts.

It is not a weakly prime, because it can be changed into another prime (71371309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35685689 + 35685690.

It is an arithmetic number, because the mean of its divisors is an integer number (35685690).

Almost surely, 2^71371379 is an apocalyptic number.

71371379 is a deficient number, since it is larger than the sum of its proper divisors (1).

71371379 is an equidigital number, since it uses as much as digits as its factorization.

71371379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27783, while the sum is 38.

The square root of 71371379 is about 8448.1583200127. The cubic root of 71371379 is about 414.8024975928.

The spelling of 71371379 in words is "seventy-one million, three hundred seventy-one thousand, three hundred seventy-nine".