71062085 has 8 divisors (see below), whose sum is σ = 86119416. Its totient is φ = 56286400.

The previous prime is 71062067. The next prime is 71062099. The reversal of 71062085 is 58026017.

It can be written as a sum of positive squares in 4 ways, for example, as 45670564 + 25391521 = 6758^2 + 5039^2 .

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

It is not a de Polignac number, because 71062085 - 2¹⁰ = 71061061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69854 + ... + 70863.

It is an arithmetic number, because the mean of its divisors is an integer number (10764927).

Almost surely, 2^71062085 is an apocalyptic number.

It is an amenable number.

71062085 is a deficient number, since it is larger than the sum of its proper divisors (15057331).

71062085 is a wasteful number, since it uses less digits than its factorization.

71062085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140823.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 71062085 is about 8429.8330351200. The cubic root of 71062085 is about 414.2024358682.

The spelling of 71062085 in words is "seventy-one million, sixty-two thousand, eighty-five".