71875528 has 8 divisors (see below), whose sum is σ = 134766630. Its totient is φ = 35937760.

The previous prime is 71875513. The next prime is 71875553. The reversal of 71875528 is 82557817.

It can be written as a sum of positive squares in only one way, i.e., 71199844 + 675684 = 8438^2 + 822^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4492213 + ... + 4492228.

Almost surely, 2^71875528 is an apocalyptic number.

It is an amenable number.

71875528 is a deficient number, since it is larger than the sum of its proper divisors (62891102).

71875528 is a wasteful number, since it uses less digits than its factorization.

71875528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8984447 (or 8984443 counting only the distinct ones).

The product of its digits is 156800, while the sum is 43.

The square root of 71875528 is about 8477.9436185905. The cubic root of 71875528 is about 415.7768928163.

The spelling of 71875528 in words is "seventy-one million, eight hundred seventy-five thousand, five hundred twenty-eight".