71530905592 has 16 divisors (see below), whose sum is σ = 134923566960. Its totient is φ = 35551287744.

The previous prime is 71530905583. The next prime is 71530905599. The reversal of 71530905592 is 29550903517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71530905599) 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, 26769213 + ... + 26771884.

It is an arithmetic number, because the mean of its divisors is an integer number (8432722935).

Almost surely, 2^71530905592 is an apocalyptic number.

It is an amenable number.

71530905592 is a deficient number, since it is larger than the sum of its proper divisors (63392661368).

71530905592 is a wasteful number, since it uses less digits than its factorization.

71530905592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53541270 (or 53541266 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 46.

The spelling of 71530905592 in words is "seventy-one billion, five hundred thirty million, nine hundred five thousand, five hundred ninety-two".