72003504306 has 16 divisors (see below), whose sum is σ = 144811519200. Its totient is φ = 23867083008.

The previous prime is 72003504247. The next prime is 72003504341. The reversal of 72003504306 is 60340530027.

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 7 ways as a sum of consecutive naturals, for example, 33520111 + ... + 33522258.

It is an arithmetic number, because the mean of its divisors is an integer number (9050719950).

Almost surely, 2^72003504306 is an apocalyptic number.

72003504306 is an abundant number, since it is smaller than the sum of its proper divisors (72808014894).

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

72003504306 is a wasteful number, since it uses less digits than its factorization.

72003504306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67042553.

The product of its (nonzero) digits is 15120, while the sum is 30.

The spelling of 72003504306 in words is "seventy-two billion, three million, five hundred four thousand, three hundred six".