71944822 has 8 divisors (see below), whose sum is σ = 108135000. Its totient is φ = 35899824.

The previous prime is 71944819. The next prime is 71944823. The reversal of 71944822 is 22844917.

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

It is a super-2 number, since 2×71944822² = 10352114825223368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71944823) 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 3 ways as a sum of consecutive naturals, for example, 35047 + ... + 37042.

It is an arithmetic number, because the mean of its divisors is an integer number (13516875).

Almost surely, 2^71944822 is an apocalyptic number.

71944822 is a deficient number, since it is larger than the sum of its proper divisors (36190178).

71944822 is a wasteful number, since it uses less digits than its factorization.

71944822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72590.

The product of its digits is 32256, while the sum is 37.

The square root of 71944822 is about 8482.0293562331. The cubic root of 71944822 is about 415.9104644277.

The spelling of 71944822 in words is "seventy-one million, nine hundred forty-four thousand, eight hundred twenty-two".