72323680716 has 108 divisors (see below), whose sum is σ = 213287863152. Its totient is φ = 20663735904.

The previous prime is 72323680687. The next prime is 72323680789. The reversal of 72323680716 is 61708632327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 545286 + ... + 664818.

Almost surely, 2^72323680716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72323680716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106643931576).

72323680716 is an abundant number, since it is smaller than the sum of its proper divisors (140964182436).

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

72323680716 is a wasteful number, since it uses less digits than its factorization.

72323680716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119578 (or 119545 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 72323680716 in words is "seventy-two billion, three hundred twenty-three million, six hundred eighty thousand, seven hundred sixteen".