71895841 has 2 divisors, whose sum is σ = 71895842. Its totient is φ = 71895840.

The previous prime is 71895823. The next prime is 71895973. The reversal of 71895841 is 14859817.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56685841 + 15210000 = 7529^2 + 3900^2 .

It is a cyclic number.

It is not a de Polignac number, because 71895841 - 2¹¹ = 71893793 is a prime.

It is not a weakly prime, because it can be changed into another prime (71895821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35947920 + 35947921.

It is an arithmetic number, because the mean of its divisors is an integer number (35947921).

Almost surely, 2^71895841 is an apocalyptic number.

It is an amenable number.

71895841 is a deficient number, since it is larger than the sum of its proper divisors (1).

71895841 is an equidigital number, since it uses as much as digits as its factorization.

71895841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 43.

The square root of 71895841 is about 8479.1415249423. The cubic root of 71895841 is about 415.8160571919.

The spelling of 71895841 in words is "seventy-one million, eight hundred ninety-five thousand, eight hundred forty-one".