71896086 has 40 divisors (see below), whose sum is σ = 164862984. Its totient is φ = 23405760.

The previous prime is 71896081. The next prime is 71896087. The reversal of 71896086 is 68069817.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71896081) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1806 + ... + 12126.

Almost surely, 2^71896086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71896086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82431492).

71896086 is an abundant number, since it is smaller than the sum of its proper divisors (92966898).

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

71896086 is a wasteful number, since it uses less digits than its factorization.

71896086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378 (or 10369 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 71896086 is about 8479.1559721472. The cubic root of 71896086 is about 415.8165295179.

The spelling of 71896086 in words is "seventy-one million, eight hundred ninety-six thousand, eighty-six".