71066113 has 8 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 67484208.

The previous prime is 71066087. The next prime is 71066117. The reversal of 71066113 is 31166017.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-71066113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71066117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7918 + ... + 14311.

It is an arithmetic number, because the mean of its divisors is an integer number (9336600).

Almost surely, 2^71066113 is an apocalyptic number.

It is an amenable number.

71066113 is a deficient number, since it is larger than the sum of its proper divisors (3626687).

71066113 is a wasteful number, since it uses less digits than its factorization.

71066113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22391.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 71066113 is about 8430.0719451260. The cubic root of 71066113 is about 414.2102617756.

The spelling of 71066113 in words is "seventy-one million, sixty-six thousand, one hundred thirteen".