71361673 has 2 divisors, whose sum is σ = 71361674. Its totient is φ = 71361672.

The previous prime is 71361649. The next prime is 71361679. The reversal of 71361673 is 37616317.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48818169 + 22543504 = 6987^2 + 4748^2 .

It is an emirp because it is prime and its reverse (37616317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71361673 - 2¹³ = 71353481 is a prime.

It is not a weakly prime, because it can be changed into another prime (71361679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35680836 + 35680837.

It is an arithmetic number, because the mean of its divisors is an integer number (35680837).

Almost surely, 2^71361673 is an apocalyptic number.

It is an amenable number.

71361673 is a deficient number, since it is larger than the sum of its proper divisors (1).

71361673 is an equidigital number, since it uses as much as digits as its factorization.

71361673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 71361673 is about 8447.5838557543. The cubic root of 71361673 is about 414.7836933437.

The spelling of 71361673 in words is "seventy-one million, three hundred sixty-one thousand, six hundred seventy-three".