72703572496 has 15 divisors (see below), whose sum is σ = 140865261421. Its totient is φ = 36351246976.

The previous prime is 72703572439. The next prime is 72703572521. The reversal of 72703572496 is 69427530727.

The square root of 72703572496 is 269636.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 47714286096 + 24989286400 = 218436^2 + 158080^2 .

It is a super-2 number, since 2×72703572496² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 1044840 + ... + 1112248.

Almost surely, 2^72703572496 is an apocalyptic number.

72703572496 is the 269636-th square number.

It is an amenable number.

72703572496 is a deficient number, since it is larger than the sum of its proper divisors (68161688925).

72703572496 is an frugal number, since it uses more digits than its factorization.

72703572496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134826 (or 67411 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 52.

The spelling of 72703572496 in words is "seventy-two billion, seven hundred three million, five hundred seventy-two thousand, four hundred ninety-six".