71022282272 has 18 divisors (see below), whose sum is σ = 139828086279. Its totient is φ = 35510387360.

The previous prime is 71022282187. The next prime is 71022282299. The reversal of 71022282272 is 27228222017.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 35511141136 + 35511141136 = 188444^2 + 188444^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=188444.

It is a super-3 number, since 3×71022282272³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1483997 + ... + 1531107.

Almost surely, 2^71022282272 is an apocalyptic number.

It is an amenable number.

71022282272 is a deficient number, since it is larger than the sum of its proper divisors (68805804007).

71022282272 is an frugal number, since it uses more digits than its factorization.

71022282272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94232 (or 47113 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 35.

The spelling of 71022282272 in words is "seventy-one billion, twenty-two million, two hundred eighty-two thousand, two hundred seventy-two".