71321271622 has 8 divisors (see below), whose sum is σ = 112612534200. Its totient is φ = 33783760224.

The previous prime is 71321271617. The next prime is 71321271649. The reversal of 71321271622 is 22617212317.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938437747 + ... + 938437822.

It is an arithmetic number, because the mean of its divisors is an integer number (14076566775).

Almost surely, 2^71321271622 is an apocalyptic number.

71321271622 is a deficient number, since it is larger than the sum of its proper divisors (41291262578).

71321271622 is a wasteful number, since it uses less digits than its factorization.

71321271622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876875590.

The product of its digits is 14112, while the sum is 34.

Adding to 71321271622 its reverse (22617212317), we get a palindrome (93938483939).

The spelling of 71321271622 in words is "seventy-one billion, three hundred twenty-one million, two hundred seventy-one thousand, six hundred twenty-two".