71879222 has 8 divisors (see below), whose sum is σ = 107871816. Its totient is φ = 35921952.

The previous prime is 71879189. The next prime is 71879237. The reversal of 71879222 is 22297817.

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

It is a super-3 number, since 3×71879222³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963 + ... + 12350.

It is an arithmetic number, because the mean of its divisors is an integer number (13483977).

Almost surely, 2^71879222 is an apocalyptic number.

71879222 is a deficient number, since it is larger than the sum of its proper divisors (35992594).

71879222 is a wasteful number, since it uses less digits than its factorization.

71879222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17662.

The product of its digits is 28224, while the sum is 38.

The square root of 71879222 is about 8478.1614752256. The cubic root of 71879222 is about 415.7840155629.

The spelling of 71879222 in words is "seventy-one million, eight hundred seventy-nine thousand, two hundred twenty-two".