71336791 has 2 divisors, whose sum is σ = 71336792. Its totient is φ = 71336790.

The previous prime is 71336747. The next prime is 71336809. The reversal of 71336791 is 19763317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71336791 - 2¹¹ = 71334743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71336791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71336191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35668395 + 35668396.

It is an arithmetic number, because the mean of its divisors is an integer number (35668396).

Almost surely, 2^71336791 is an apocalyptic number.

71336791 is a deficient number, since it is larger than the sum of its proper divisors (1).

71336791 is an equidigital number, since it uses as much as digits as its factorization.

71336791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23814, while the sum is 37.

The square root of 71336791 is about 8446.1109985602. The cubic root of 71336791 is about 414.7354795656.

It can be divided in two parts, 71336 and 791, that added together give a palindrome (72127).

The spelling of 71336791 in words is "seventy-one million, three hundred thirty-six thousand, seven hundred ninety-one".