71135616 has 96 divisors (see below), whose sum is σ = 201035880. Its totient is φ = 22282240.

The previous prime is 71135609. The next prime is 71135641. The reversal of 71135616 is 61653117.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110656 + ... + 111296.

Almost surely, 2^71135616 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 71135616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100517940).

71135616 is an abundant number, since it is smaller than the sum of its proper divisors (129900264).

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

71135616 is a wasteful number, since it uses less digits than its factorization.

71135616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 663 counting only the distinct ones).

The product of its digits is 3780, while the sum is 30.

The square root of 71135616 is about 8434.1932631402. The cubic root of 71135616 is about 414.3452509872.

The spelling of 71135616 in words is "seventy-one million, one hundred thirty-five thousand, six hundred sixteen".