71868822 has 8 divisors (see below), whose sum is σ = 143737656. Its totient is φ = 23956272.

The previous prime is 71868821. The next prime is 71868829. The reversal of 71868822 is 22886817.

It is a sphenic number, since it is the product of 3 distinct primes.

71868822 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71868821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5989063 + ... + 5989074.

It is an arithmetic number, because the mean of its divisors is an integer number (17967207).

Almost surely, 2^71868822 is an apocalyptic number.

71868822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

71868822 is a wasteful number, since it uses less digits than its factorization.

71868822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11978142.

The product of its digits is 86016, while the sum is 42.

The square root of 71868822 is about 8477.5481125146. The cubic root of 71868822 is about 415.7639617272.

The spelling of 71868822 in words is "seventy-one million, eight hundred sixty-eight thousand, eight hundred twenty-two".