72485732118 has 16 divisors (see below), whose sum is σ = 144976100976. Its totient is φ = 24161137920.

The previous prime is 72485732101. The next prime is 72485732147. The reversal of 72485732118 is 81123758427.

It is a congruent number.

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, 29838 + ... + 381918.

It is an arithmetic number, because the mean of its divisors is an integer number (9061006311).

Almost surely, 2^72485732118 is an apocalyptic number.

72485732118 is an abundant number, since it is smaller than the sum of its proper divisors (72490368858).

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

72485732118 is a wasteful number, since it uses less digits than its factorization.

72485732118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386399.

The product of its digits is 752640, while the sum is 48.

The spelling of 72485732118 in words is "seventy-two billion, four hundred eighty-five million, seven hundred thirty-two thousand, one hundred eighteen".