71473752548 has 24 divisors (see below), whose sum is σ = 136466527680. Its totient is φ = 32484108320.

The previous prime is 71473752547. The next prime is 71473752563. The reversal of 71473752548 is 84525737417.

It is a self number, because there is not a number n which added to its sum of digits gives 71473752548.

It is not an unprimeable number, because it can be changed into a prime (71473752547) 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, 282473 + ... + 471951.

It is an arithmetic number, because the mean of its divisors is an integer number (5686105320).

Almost surely, 2^71473752548 is an apocalyptic number.

It is an amenable number.

71473752548 is a deficient number, since it is larger than the sum of its proper divisors (64992775132).

71473752548 is a wasteful number, since it uses less digits than its factorization.

71473752548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198067 (or 198065 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 53.

The spelling of 71473752548 in words is "seventy-one billion, four hundred seventy-three million, seven hundred fifty-two thousand, five hundred forty-eight".