72304581036152 has 32 divisors (see below), whose sum is σ = 138788903288880. Its totient is φ = 35304013497600.

The previous prime is 72304581036151. The next prime is 72304581036157. The reversal of 72304581036152 is 25163018540327.

It is a junction number, because it is equal to n+sod(n) for n = 72304581036097 and 72304581036106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72304581036151) 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, 612857918 + ... + 612975885.

Almost surely, 2^{72304581036152} is an apocalyptic number.

It is an amenable number.

72304581036152 is a deficient number, since it is larger than the sum of its proper divisors (66484322252728).

72304581036152 is a wasteful number, since it uses less digits than its factorization.

72304581036152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225833983 (or 1225833979 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

Adding to 72304581036152 its reverse (25163018540327), we get a palindrome (97467599576479).

The spelling of 72304581036152 in words is "seventy-two trillion, three hundred four billion, five hundred eighty-one million, thirty-six thousand, one hundred fifty-two".