71910216 has 96 divisors (see below), whose sum is σ = 226324800. Its totient is φ = 20200320.

The previous prime is 71910211. The next prime is 71910217. The reversal of 71910216 is 61201917.

It is a self number, because there is not a number n which added to its sum of digits gives 71910216.

It is not an unprimeable number, because it can be changed into a prime (71910211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29575 + ... + 31913.

It is an arithmetic number, because the mean of its divisors is an integer number (2357550).

Almost surely, 2^71910216 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 71910216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113162400).

71910216 is an abundant number, since it is smaller than the sum of its proper divisors (154414584).

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

71910216 is a wasteful number, since it uses less digits than its factorization.

71910216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 71910216 is about 8479.9891509365. The cubic root of 71910216 is about 415.8437683799.

The spelling of 71910216 in words is "seventy-one million, nine hundred ten thousand, two hundred sixteen".