71226272272 has 40 divisors (see below), whose sum is σ = 139376811456. Its totient is φ = 35258476416.

The previous prime is 71226272263. The next prime is 71226272309. The reversal of 71226272272 is 27227262217.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2954893 + ... + 2978899.

Almost surely, 2^71226272272 is an apocalyptic number.

It is an amenable number.

71226272272 is a deficient number, since it is larger than the sum of its proper divisors (68150539184).

71226272272 is a wasteful number, since it uses less digits than its factorization.

71226272272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25855 (or 25849 counting only the distinct ones).

The product of its digits is 131712, while the sum is 40.

The spelling of 71226272272 in words is "seventy-one billion, two hundred twenty-six million, two hundred seventy-two thousand, two hundred seventy-two".