71023061622 has 16 divisors (see below), whose sum is σ = 145885208112. Its totient is φ = 23034506400.

The previous prime is 71023061563. The next prime is 71023061633. The reversal of 71023061622 is 22616032017.

It is a self number, because there is not a number n which added to its sum of digits gives 71023061622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159961629 + ... + 159962072.

It is an arithmetic number, because the mean of its divisors is an integer number (9117825507).

Almost surely, 2^71023061622 is an apocalyptic number.

71023061622 is an abundant number, since it is smaller than the sum of its proper divisors (74862146490).

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

71023061622 is a wasteful number, since it uses less digits than its factorization.

71023061622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319923743.

The product of its (nonzero) digits is 6048, while the sum is 30.

Adding to 71023061622 its reverse (22616032017), we get a palindrome (93639093639).

The spelling of 71023061622 in words is "seventy-one billion, twenty-three million, sixty-one thousand, six hundred twenty-two".