71137844484 has 24 divisors (see below), whose sum is σ = 189700918848. Its totient is φ = 20325098400.

The previous prime is 71137844483. The next prime is 71137844507. The reversal of 71137844484 is 48444873117.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71137844483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423439467 + ... + 423439634.

It is an arithmetic number, because the mean of its divisors is an integer number (7904204952).

Almost surely, 2^71137844484 is an apocalyptic number.

It is an amenable number.

71137844484 is an abundant number, since it is smaller than the sum of its proper divisors (118563074364).

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

71137844484 is a wasteful number, since it uses less digits than its factorization.

71137844484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846879115 (or 846879113 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 51.

The spelling of 71137844484 in words is "seventy-one billion, one hundred thirty-seven million, eight hundred forty-four thousand, four hundred eighty-four".