71532845204 has 12 divisors (see below), whose sum is σ = 125347850964. Its totient is φ = 35719173504.

The previous prime is 71532845203. The next prime is 71532845207. The reversal of 71532845204 is 40254823517.

It can be written as a sum of positive squares in 2 ways, for example, as 23917241104 + 47615604100 = 154652^2 + 218210^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71532845201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11808869 + ... + 11814924.

It is an arithmetic number, because the mean of its divisors is an integer number (10445654247).

Almost surely, 2^71532845204 is an apocalyptic number.

It is an amenable number.

71532845204 is a deficient number, since it is larger than the sum of its proper divisors (53815005760).

71532845204 is a wasteful number, since it uses less digits than its factorization.

71532845204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624554 (or 23624552 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 71532845204 in words is "seventy-one billion, five hundred thirty-two million, eight hundred forty-five thousand, two hundred four".