71448705480 has 64 divisors (see below), whose sum is σ = 214823664000. Its totient is φ = 19010539520.

The previous prime is 71448705469. The next prime is 71448705487. The reversal of 71448705480 is 8450784417.

It is not an unprimeable number, because it can be changed into a prime (71448705487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609156 + ... + 716915.

It is an arithmetic number, because the mean of its divisors is an integer number (3356619750).

Almost surely, 2^71448705480 is an apocalyptic number.

It is an amenable number.

71448705480 is an abundant number, since it is smaller than the sum of its proper divisors (143374958520).

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

71448705480 is a wasteful number, since it uses less digits than its factorization.

71448705480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326534 (or 1326530 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 48.

The spelling of 71448705480 in words is "seventy-one billion, four hundred forty-eight million, seven hundred five thousand, four hundred eighty".