72043080615 has 128 divisors (see below), whose sum is σ = 147311539200. Its totient is φ = 33038046720.

The previous prime is 72043080581. The next prime is 72043080623. The reversal of 72043080615 is 51608034027.

72043080615 is a `hidden beast` number, since 7 + 2 + 0 + 4 + 30 + 8 + 0 + 615 = 666.

It is not a de Polignac number, because 72043080615 - 2¹⁴ = 72043064231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72043080615.

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 127 ways as a sum of consecutive naturals, for example, 21357069 + ... + 21360441.

It is an arithmetic number, because the mean of its divisors is an integer number (1150871400).

Almost surely, 2^72043080615 is an apocalyptic number.

72043080615 is an abundant number, since it is smaller than the sum of its proper divisors (75268458585).

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

72043080615 is a wasteful number, since it uses less digits than its factorization.

72043080615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174 (or 4168 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 72043080615 in words is "seventy-two billion, forty-three million, eighty thousand, six hundred fifteen".