71196736 has 56 divisors (see below), whose sum is σ = 154131264. Its totient is φ = 32432640.

The previous prime is 71196733. The next prime is 71196737. The reversal of 71196736 is 63769117.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71196733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68541 + ... + 69571.

It is an arithmetic number, because the mean of its divisors is an integer number (2752344).

Almost surely, 2^71196736 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 71196736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77065632).

71196736 is an abundant number, since it is smaller than the sum of its proper divisors (82934528).

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

71196736 is a wasteful number, since it uses less digits than its factorization.

71196736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1129 counting only the distinct ones).

The product of its digits is 47628, while the sum is 40.

The square root of 71196736 is about 8437.8158311260. The cubic root of 71196736 is about 414.4638860376.

The spelling of 71196736 in words is "seventy-one million, one hundred ninety-six thousand, seven hundred thirty-six".