71103671 has 2 divisors, whose sum is σ = 71103672. Its totient is φ = 71103670.

The previous prime is 71103667. The next prime is 71103689. The reversal of 71103671 is 17630117.

It is a weak prime.

It is an emirp because it is prime and its reverse (17630117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71103671 - 2² = 71103667 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71103671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71103631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35551835 + 35551836.

It is an arithmetic number, because the mean of its divisors is an integer number (35551836).

Almost surely, 2^71103671 is an apocalyptic number.

71103671 is a deficient number, since it is larger than the sum of its proper divisors (1).

71103671 is an equidigital number, since it uses as much as digits as its factorization.

71103671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 71103671 is about 8432.2992712545. The cubic root of 71103671 is about 414.2832181096.

Adding to 71103671 its reverse (17630117), we get a palindrome (88733788).

The spelling of 71103671 in words is "seventy-one million, one hundred three thousand, six hundred seventy-one".