71354791 has 2 divisors, whose sum is σ = 71354792. Its totient is φ = 71354790.

The previous prime is 71354749. The next prime is 71354821. The reversal of 71354791 is 19745317.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71354791 - 2¹³ = 71346599 is a prime.

It is equal to p_4192993 and since 71354791 and 4192993 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71354791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71354711) 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, 35677395 + 35677396.

It is an arithmetic number, because the mean of its divisors is an integer number (35677396).

Almost surely, 2^71354791 is an apocalyptic number.

71354791 is a deficient number, since it is larger than the sum of its proper divisors (1).

71354791 is an equidigital number, since it uses as much as digits as its factorization.

71354791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 37.

The square root of 71354791 is about 8447.1765105271. The cubic root of 71354791 is about 414.7703592339.

The spelling of 71354791 in words is "seventy-one million, three hundred fifty-four thousand, seven hundred ninety-one".