71271013 has 8 divisors (see below), whose sum is σ = 77829696. Its totient is φ = 64725600.

The previous prime is 71271001. The next prime is 71271017. The reversal of 71271013 is 31017217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71271013 - 2⁵ = 71270981 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71271017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10408 + ... + 15838.

It is an arithmetic number, because the mean of its divisors is an integer number (9728712).

Almost surely, 2^71271013 is an apocalyptic number.

It is an amenable number.

71271013 is a deficient number, since it is larger than the sum of its proper divisors (6558683).

71271013 is a wasteful number, since it uses less digits than its factorization.

71271013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 71271013 is about 8442.2161190057. The cubic root of 71271013 is about 414.6079677109.

The spelling of 71271013 in words is "seventy-one million, two hundred seventy-one thousand, thirteen".