71170013 has 8 divisors (see below), whose sum is σ = 72940608. Its totient is φ = 69420384.

The previous prime is 71170009. The next prime is 71170049. The reversal of 71170013 is 31007117.

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 71170013 - 2² = 71170009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71170003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745 + ... + 12057.

It is an arithmetic number, because the mean of its divisors is an integer number (9117576).

Almost surely, 2^71170013 is an apocalyptic number.

It is an amenable number.

71170013 is a deficient number, since it is larger than the sum of its proper divisors (1770595).

71170013 is a wasteful number, since it uses less digits than its factorization.

71170013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 71170013 is about 8436.2321565969. The cubic root of 71170013 is about 414.4120245569.

The spelling of 71170013 in words is "seventy-one million, one hundred seventy thousand, thirteen".