72364877846328 has 32 divisors (see below), whose sum is σ = 182668623696000. Its totient is φ = 23887435404768.

The previous prime is 72364877846299. The next prime is 72364877846333. The reversal of 72364877846328 is 82364877846327.

It is a happy number.

It is a super-3 number, since 3×72364877846328³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72364877846328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14636906478 + ... + 14636911421.

It is an arithmetic number, because the mean of its divisors is an integer number (5708394490500).

Almost surely, 2^{72364877846328} is an apocalyptic number.

It is an amenable number.

72364877846328 is an abundant number, since it is smaller than the sum of its proper divisors (110303745849672).

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

72364877846328 is a wasteful number, since it uses less digits than its factorization.

72364877846328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29273818011 (or 29273818007 counting only the distinct ones).

The product of its digits is 3641573376, while the sum is 75.

Subtracting 72364877846328 from its reverse (82364877846327), we obtain a palindrome (9999999999999).

The spelling of 72364877846328 in words is "seventy-two trillion, three hundred sixty-four billion, eight hundred seventy-seven million, eight hundred forty-six thousand, three hundred twenty-eight".