72435538242752 has 28 divisors (see below), whose sum is σ = 143850095784120. Its totient is φ = 36189844816896.

The previous prime is 72435538242679. The next prime is 72435538242779. The reversal of 72435538242752 is 25724283553427.

It is a junction number, because it is equal to n+sod(n) for n = 72435538242691 and 72435538242700.

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 3 ways as a sum of consecutive naturals, for example, 436233602 + ... + 436399617.

Almost surely, 2^{72435538242752} is an apocalyptic number.

It is an amenable number.

72435538242752 is a deficient number, since it is larger than the sum of its proper divisors (71414557541368).

72435538242752 is a wasteful number, since it uses less digits than its factorization.

72435538242752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872634528 (or 872634518 counting only the distinct ones).

The product of its digits is 112896000, while the sum is 59.

The spelling of 72435538242752 in words is "seventy-two trillion, four hundred thirty-five billion, five hundred thirty-eight million, two hundred forty-two thousand, seven hundred fifty-two".