71732145696 has 24 divisors (see below), whose sum is σ = 188296882704. Its totient is φ = 23910715200.

The previous prime is 71732145679. The next prime is 71732145733. The reversal of 71732145696 is 69654123717.

It is a tau number, because it is divible by the number of its divisors (24).

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, 373604830 + ... + 373605021.

It is an arithmetic number, because the mean of its divisors is an integer number (7845703446).

Almost surely, 2^71732145696 is an apocalyptic number.

It is an amenable number.

71732145696 is an abundant number, since it is smaller than the sum of its proper divisors (116564737008).

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

71732145696 is a wasteful number, since it uses less digits than its factorization.

71732145696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747209864 (or 747209856 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The spelling of 71732145696 in words is "seventy-one billion, seven hundred thirty-two million, one hundred forty-five thousand, six hundred ninety-six".