71276712 has 32 divisors (see below), whose sum is σ = 191899680. Its totient is φ = 21931200.

The previous prime is 71276669. The next prime is 71276713. The reversal of 71276712 is 21767217.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71276713) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 113914 + ... + 114537.

It is an arithmetic number, because the mean of its divisors is an integer number (5996865).

Almost surely, 2^71276712 is an apocalyptic number.

It is an amenable number.

71276712 is an abundant number, since it is smaller than the sum of its proper divisors (120622968).

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

71276712 is a wasteful number, since it uses less digits than its factorization.

71276712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228473 (or 228469 counting only the distinct ones).

The product of its digits is 8232, while the sum is 33.

The square root of 71276712 is about 8442.5536421156. The cubic root of 71276712 is about 414.6190184300.

The spelling of 71276712 in words is "seventy-one million, two hundred seventy-six thousand, seven hundred twelve".