71225776 has 10 divisors (see below), whose sum is σ = 137999972. Its totient is φ = 35612880.

The previous prime is 71225747. The next prime is 71225783. The reversal of 71225776 is 67752217.

It is a super-2 number, since 2×71225776² = 10146222333604352, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 2225790 + ... + 2225821.

Almost surely, 2^71225776 is an apocalyptic number.

It is an amenable number.

71225776 is a deficient number, since it is larger than the sum of its proper divisors (66774196).

71225776 is a wasteful number, since it uses less digits than its factorization.

71225776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451619 (or 4451613 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 71225776 is about 8439.5364801629. The cubic root of 71225776 is about 414.5202294219.

The spelling of 71225776 in words is "seventy-one million, two hundred twenty-five thousand, seven hundred seventy-six".