71136608 has 48 divisors (see below), whose sum is σ = 153861120. Its totient is φ = 32224896.

The previous prime is 71136601. The next prime is 71136629. The reversal of 71136608 is 80663117.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71136601) 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, 11441 + ... + 16527.

It is an arithmetic number, because the mean of its divisors is an integer number (3205440).

Almost surely, 2^71136608 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 71136608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76930560).

71136608 is an abundant number, since it is smaller than the sum of its proper divisors (82724512).

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

71136608 is a wasteful number, since it uses less digits than its factorization.

71136608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139 (or 5131 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 71136608 is about 8434.2520711679. The cubic root of 71136608 is about 414.3471770200.

The spelling of 71136608 in words is "seventy-one million, one hundred thirty-six thousand, six hundred eight".