72867548484 has 120 divisors (see below), whose sum is σ = 194762080128. Its totient is φ = 23745648960.

The previous prime is 72867548483. The next prime is 72867548503. The reversal of 72867548484 is 48484576827.

72867548484 is a `hidden beast` number, since 7 + 2 + 8 + 6 + 7 + 548 + 4 + 84 = 666.

It is not an unprimeable number, because it can be changed into a prime (72867548483) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 17098914 + ... + 17103174.

Almost surely, 2^72867548484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72867548484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97381040064).

72867548484 is an abundant number, since it is smaller than the sum of its proper divisors (121894531644).

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

72867548484 is a wasteful number, since it uses less digits than its factorization.

72867548484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447 (or 5436 counting only the distinct ones).

The product of its digits is 96337920, while the sum is 63.

The spelling of 72867548484 in words is "seventy-two billion, eight hundred sixty-seven million, five hundred forty-eight thousand, four hundred eighty-four".