71823461 has 2 divisors, whose sum is σ = 71823462. Its totient is φ = 71823460.

The previous prime is 71823443. The next prime is 71823539. The reversal of 71823461 is 16432817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56535361 + 15288100 = 7519^2 + 3910^2 .

It is an emirp because it is prime and its reverse (16432817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71823461 - 2²² = 67629157 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71823421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35911730 + 35911731.

It is an arithmetic number, because the mean of its divisors is an integer number (35911731).

Almost surely, 2^71823461 is an apocalyptic number.

It is an amenable number.

71823461 is a deficient number, since it is larger than the sum of its proper divisors (1).

71823461 is an equidigital number, since it uses as much as digits as its factorization.

71823461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 71823461 is about 8474.8723294218. The cubic root of 71823461 is about 415.6764715948.

The spelling of 71823461 in words is "seventy-one million, eight hundred twenty-three thousand, four hundred sixty-one".