71132705372 has 24 divisors (see below), whose sum is σ = 124646839632. Its totient is φ = 35519360000.

The previous prime is 71132705359. The next prime is 71132705377. The reversal of 71132705372 is 27350723117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71132705377) 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, 12171083 + ... + 12176925.

It is an arithmetic number, because the mean of its divisors is an integer number (5193618318).

Almost surely, 2^71132705372 is an apocalyptic number.

It is an amenable number.

71132705372 is a deficient number, since it is larger than the sum of its proper divisors (53514134260).

71132705372 is a wasteful number, since it uses less digits than its factorization.

71132705372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349 (or 9347 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 38.

The spelling of 71132705372 in words is "seventy-one billion, one hundred thirty-two million, seven hundred five thousand, three hundred seventy-two".