71427341 has 2 divisors, whose sum is σ = 71427342. Its totient is φ = 71427340.

The previous prime is 71427337. The next prime is 71427383. The reversal of 71427341 is 14372417.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63282025 + 8145316 = 7955^2 + 2854^2 .

It is a cyclic number.

It is not a de Polignac number, because 71427341 - 2² = 71427337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p_4197035 and since 71427341 and 4197035 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71427311) 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, 35713670 + 35713671.

It is an arithmetic number, because the mean of its divisors is an integer number (35713671).

Almost surely, 2^71427341 is an apocalyptic number.

It is an amenable number.

71427341 is a deficient number, since it is larger than the sum of its proper divisors (1).

71427341 is an equidigital number, since it uses as much as digits as its factorization.

71427341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 71427341 is about 8451.4697538357. The cubic root of 71427341 is about 414.9108842375.

Adding to 71427341 its reverse (14372417), we get a palindrome (85799758).

The spelling of 71427341 in words is "seventy-one million, four hundred twenty-seven thousand, three hundred forty-one".