71907708 has 12 divisors (see below), whose sum is σ = 167784680. Its totient is φ = 23969232.

The previous prime is 71907679. The next prime is 71907709. The reversal of 71907708 is 80770917.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71907709) 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 3 ways as a sum of consecutive naturals, for example, 2996143 + ... + 2996166.

Almost surely, 2^71907708 is an apocalyptic number.

It is an amenable number.

71907708 is an abundant number, since it is smaller than the sum of its proper divisors (95876972).

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

71907708 is a wasteful number, since it uses less digits than its factorization.

71907708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5992316 (or 5992314 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 39.

The square root of 71907708 is about 8479.8412720994. The cubic root of 71907708 is about 415.8389338869.

The spelling of 71907708 in words is "seventy-one million, nine hundred seven thousand, seven hundred eight".