72851482540 has 24 divisors (see below), whose sum is σ = 153480049632. Its totient is φ = 29046890880.

The previous prime is 72851482537. The next prime is 72851482553. The reversal of 72851482540 is 4528415827.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5850009 + ... + 5862448.

It is an arithmetic number, because the mean of its divisors is an integer number (6395002068).

Almost surely, 2^72851482540 is an apocalyptic number.

It is an amenable number.

72851482540 is an abundant number, since it is smaller than the sum of its proper divisors (80628567092).

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

72851482540 is a wasteful number, since it uses less digits than its factorization.

72851482540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11712777 (or 11712775 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 46.

The spelling of 72851482540 in words is "seventy-two billion, eight hundred fifty-one million, four hundred eighty-two thousand, five hundred forty".