71436791 has 2 divisors, whose sum is σ = 71436792. Its totient is φ = 71436790.

The previous prime is 71436769. The next prime is 71436797. The reversal of 71436791 is 19763417.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71436791 is a prime.

It is a super-3 number, since 3×71436791³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71436797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35718395 + 35718396.

It is an arithmetic number, because the mean of its divisors is an integer number (35718396).

Almost surely, 2^71436791 is an apocalyptic number.

71436791 is a deficient number, since it is larger than the sum of its proper divisors (1).

71436791 is an equidigital number, since it uses as much as digits as its factorization.

71436791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 38.

The square root of 71436791 is about 8452.0288097001. The cubic root of 71436791 is about 414.9291813158.

It can be divided in two parts, 71436 and 791, that added together give a palindrome (72227).

The spelling of 71436791 in words is "seventy-one million, four hundred thirty-six thousand, seven hundred ninety-one".