72852785306 has 16 divisors (see below), whose sum is σ = 126127031040. Its totient is φ = 30913486800.

The previous prime is 72852785287. The next prime is 72852785311. The reversal of 72852785306 is 60358725827.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25759826 + ... + 25762653.

It is an arithmetic number, because the mean of its divisors is an integer number (7882939440).

Almost surely, 2^72852785306 is an apocalyptic number.

72852785306 is a deficient number, since it is larger than the sum of its proper divisors (53274245734).

72852785306 is a wasteful number, since it uses less digits than its factorization.

72852785306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51522589.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 72852785306 in words is "seventy-two billion, eight hundred fifty-two million, seven hundred eighty-five thousand, three hundred six".