71332732072 has 16 divisors (see below), whose sum is σ = 152855854560. Its totient is φ = 30571170864.

The previous prime is 71332732069. The next prime is 71332732087. The reversal of 71332732072 is 27023723317.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636899338 + ... + 636899449.

It is an arithmetic number, because the mean of its divisors is an integer number (9553490910).

Almost surely, 2^71332732072 is an apocalyptic number.

It is an amenable number.

71332732072 is an abundant number, since it is smaller than the sum of its proper divisors (81523122488).

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

71332732072 is a wasteful number, since it uses less digits than its factorization.

71332732072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273798800 (or 1273798796 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 37.

The spelling of 71332732072 in words is "seventy-one billion, three hundred thirty-two million, seven hundred thirty-two thousand, seventy-two".