71841722 has 8 divisors (see below), whose sum is σ = 108192672. Its totient is φ = 35777500.

The previous prime is 71841703. The next prime is 71841739. The reversal of 71841722 is 22714817.

It is a happy number.

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

It is a super-2 number, since 2×71841722² = 10322466039850568, which contains 22 as substring.

It is an unprimeable number.

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, 71054 + ... + 72057.

It is an arithmetic number, because the mean of its divisors is an integer number (13524084).

Almost surely, 2^71841722 is an apocalyptic number.

71841722 is a deficient number, since it is larger than the sum of its proper divisors (36350950).

71841722 is a wasteful number, since it uses less digits than its factorization.

71841722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143364.

The product of its digits is 6272, while the sum is 32.

The square root of 71841722 is about 8475.9496223137. The cubic root of 71841722 is about 415.7116969688.

The spelling of 71841722 in words is "seventy-one million, eight hundred forty-one thousand, seven hundred twenty-two".