71048005 has 16 divisors (see below), whose sum is σ = 97853184. Its totient is φ = 48510720.

The previous prime is 71047993. The next prime is 71048009. The reversal of 71048005 is 50084017.

It is a de Polignac number, because none of the positive numbers 2^k-71048005 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 (71048009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4224 + ... + 12646.

It is an arithmetic number, because the mean of its divisors is an integer number (6115824).

Almost surely, 2^71048005 is an apocalyptic number.

It is an amenable number.

71048005 is a deficient number, since it is larger than the sum of its proper divisors (26805179).

71048005 is a wasteful number, since it uses less digits than its factorization.

71048005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8676.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 71048005 is about 8428.9978645151. The cubic root of 71048005 is about 414.1750778403.

The spelling of 71048005 in words is "seventy-one million, forty-eight thousand, five".