72367021716 has 24 divisors (see below), whose sum is σ = 184206964704. Its totient is φ = 21929400480.

The previous prime is 72367021691. The next prime is 72367021729. The reversal of 72367021716 is 61712076327.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274117375 + ... + 274117638.

It is an arithmetic number, because the mean of its divisors is an integer number (7675290196).

Almost surely, 2^72367021716 is an apocalyptic number.

It is an amenable number.

72367021716 is an abundant number, since it is smaller than the sum of its proper divisors (111839942988).

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

72367021716 is a wasteful number, since it uses less digits than its factorization.

72367021716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548235031 (or 548235029 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 72367021716 in words is "seventy-two billion, three hundred sixty-seven million, twenty-one thousand, seven hundred sixteen".