72732341836 has 96 divisors (see below), whose sum is σ = 167450250240. Its totient is φ = 26800435200.

The previous prime is 72732341827. The next prime is 72732341849. The reversal of 72732341836 is 63814323727.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572796 + ... + 688156.

It is an arithmetic number, because the mean of its divisors is an integer number (1744273440).

Almost surely, 2^72732341836 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 72732341836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83725125120).

72732341836 is an abundant number, since it is smaller than the sum of its proper divisors (94717908404).

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

72732341836 is a wasteful number, since it uses less digits than its factorization.

72732341836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115495 (or 115493 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 46.

The spelling of 72732341836 in words is "seventy-two billion, seven hundred thirty-two million, three hundred forty-one thousand, eight hundred thirty-six".