72835726884 has 24 divisors (see below), whose sum is σ = 170021234880. Its totient is φ = 24268403424.

The previous prime is 72835726877. The next prime is 72835726889. The reversal of 72835726884 is 48862753827.

It is a super-2 number, since 2×72835726884² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72835726889) 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 7 ways as a sum of consecutive naturals, for example, 1241664 + ... + 1298999.

It is an arithmetic number, because the mean of its divisors is an integer number (7084218120).

Almost surely, 2^72835726884 is an apocalyptic number.

It is an amenable number.

72835726884 is an abundant number, since it is smaller than the sum of its proper divisors (97185507996).

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

72835726884 is a wasteful number, since it uses less digits than its factorization.

72835726884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543059 (or 2543057 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 60.

The spelling of 72835726884 in words is "seventy-two billion, eight hundred thirty-five million, seven hundred twenty-six thousand, eight hundred eighty-four".