71375534240 has 48 divisors (see below), whose sum is σ = 168652471680. Its totient is φ = 28545511680.

The previous prime is 71375534239. The next prime is 71375534257. The reversal of 71375534240 is 4243557317.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035245 + ... + 1102035.

It is an arithmetic number, because the mean of its divisors is an integer number (3513593160).

Almost surely, 2^71375534240 is an apocalyptic number.

It is an amenable number.

71375534240 is an abundant number, since it is smaller than the sum of its proper divisors (97276937440).

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

71375534240 is a wasteful number, since it uses less digits than its factorization.

71375534240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73485 (or 73477 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 41.

The spelling of 71375534240 in words is "seventy-one billion, three hundred seventy-five million, five hundred thirty-four thousand, two hundred forty".