72789406436996 has 24 divisors (see below), whose sum is σ = 127423015039320. Its totient is φ = 36382831863552.

The previous prime is 72789406436993. The next prime is 72789406437001. The reversal of 72789406436996 is 69963460498727.

It can be written as a sum of positive squares in 4 ways, for example, as 13163211196996 + 59626195240000 = 3628114^2 + 7721800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72789406436996.

It is not an unprimeable number, because it can be changed into a prime (72789406436993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273555650 + ... + 273821606.

It is an arithmetic number, because the mean of its divisors is an integer number (5309292293305).

Almost surely, 2^{72789406436996} is an apocalyptic number.

It is an amenable number.

72789406436996 is a deficient number, since it is larger than the sum of its proper divisors (54633608602324).

72789406436996 is a wasteful number, since it uses less digits than its factorization.

72789406436996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288023 (or 288021 counting only the distinct ones).

The product of its (nonzero) digits is 5925685248, while the sum is 80.

The spelling of 72789406436996 in words is "seventy-two trillion, seven hundred eighty-nine billion, four hundred six million, four hundred thirty-six thousand, nine hundred ninety-six".