71047103 has 4 divisors (see below), whose sum is σ = 71122608. Its totient is φ = 70971600.

The previous prime is 71047043. The next prime is 71047117. The reversal of 71047103 is 30174017.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71047103 - 2¹⁶ = 70981567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71047153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36323 + ... + 38228.

It is an arithmetic number, because the mean of its divisors is an integer number (17780652).

Almost surely, 2^71047103 is an apocalyptic number.

71047103 is a deficient number, since it is larger than the sum of its proper divisors (75505).

71047103 is an equidigital number, since it uses as much as digits as its factorization.

71047103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75504.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 71047103 is about 8428.9443585778. The cubic root of 71047103 is about 414.1733250934.

The spelling of 71047103 in words is "seventy-one million, forty-seven thousand, one hundred three".