71846413 has 2 divisors, whose sum is σ = 71846414. Its totient is φ = 71846412.

The previous prime is 71846399. The next prime is 71846447. The reversal of 71846413 is 31464817.

It is a happy number.

It is an a-pointer prime, because the next prime (71846447) can be obtained adding 71846413 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63792169 + 8054244 = 7987^2 + 2838^2 .

It is a cyclic number.

It is not a de Polignac number, because 71846413 - 2¹⁷ = 71715341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71846213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35923206 + 35923207.

It is an arithmetic number, because the mean of its divisors is an integer number (35923207).

Almost surely, 2^71846413 is an apocalyptic number.

It is an amenable number.

71846413 is a deficient number, since it is larger than the sum of its proper divisors (1).

71846413 is an equidigital number, since it uses as much as digits as its factorization.

71846413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 71846413 is about 8476.2263419519. The cubic root of 71846413 is about 415.7207449197.

The spelling of 71846413 in words is "seventy-one million, eight hundred forty-six thousand, four hundred thirteen".