71673083347 has 2 divisors, whose sum is σ = 71673083348. Its totient is φ = 71673083346.

The previous prime is 71673083333. The next prime is 71673083381. The reversal of 71673083347 is 74338037617.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74338037617) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71673083347 - 2⁷ = 71673083219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71673083347.

It is not a weakly prime, because it can be changed into another prime (71673083147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35836541673 + 35836541674.

It is an arithmetic number, because the mean of its divisors is an integer number (35836541674).

Almost surely, 2^71673083347 is an apocalyptic number.

71673083347 is a deficient number, since it is larger than the sum of its proper divisors (1).

71673083347 is an equidigital number, since it uses as much as digits as its factorization.

71673083347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The spelling of 71673083347 in words is "seventy-one billion, six hundred seventy-three million, eighty-three thousand, three hundred forty-seven".