71709696 has 132 divisors (see below), whose sum is σ = 214591104. Its totient is φ = 23040000.

The previous prime is 71709691. The next prime is 71709707. The reversal of 71709696 is 69690717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71709691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 285571 + ... + 285821.

Almost surely, 2^71709696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71709696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107295552).

71709696 is an abundant number, since it is smaller than the sum of its proper divisors (142881408).

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

71709696 is a wasteful number, since it uses less digits than its factorization.

71709696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 71709696 is about 8468.1577689601. The cubic root of 71709696 is about 415.4568849249.

The spelling of 71709696 in words is "seventy-one million, seven hundred nine thousand, six hundred ninety-six".