71062420884 has 96 divisors (see below), whose sum is σ = 204279780096. Its totient is φ = 18723087360.

The previous prime is 71062420883. The next prime is 71062420889. The reversal of 71062420884 is 48802426017.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71062420883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1083064 + ... + 1146800.

It is an arithmetic number, because the mean of its divisors is an integer number (2127914376).

Almost surely, 2^71062420884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71062420884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102139890048).

71062420884 is an abundant number, since it is smaller than the sum of its proper divisors (133217359212).

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

71062420884 is a wasteful number, since it uses less digits than its factorization.

71062420884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64785 (or 64783 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 71062420884 in words is "seventy-one billion, sixty-two million, four hundred twenty thousand, eight hundred eighty-four".