71016080 has 20 divisors (see below), whose sum is σ = 165112572. Its totient is φ = 28406400.

The previous prime is 71016067. The next prime is 71016097. The reversal of 71016080 is 8061017.

It can be written as a sum of positive squares in 2 ways, for example, as 46730896 + 24285184 = 6836^2 + 4928^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 443771 + ... + 443930.

Almost surely, 2^71016080 is an apocalyptic number.

It is an amenable number.

71016080 is an abundant number, since it is smaller than the sum of its proper divisors (94096492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71016080 is a wasteful number, since it uses less digits than its factorization.

71016080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887714 (or 887708 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 71016080 is about 8427.1038916107. The cubic root of 71016080 is about 414.1130328406.

Adding to 71016080 its reverse (8061017), we get a palindrome (79077097).

The spelling of 71016080 in words is "seventy-one million, sixteen thousand, eighty".