72366777766326 has 32 divisors (see below), whose sum is σ = 145024527755520. Its totient is φ = 24073810454304.

The previous prime is 72366777766277. The next prime is 72366777766427. The reversal of 72366777766326 is 62366777766327.

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 15 ways as a sum of consecutive naturals, for example, 396816 + ... + 12037068.

It is an arithmetic number, because the mean of its divisors is an integer number (4532016492360).

Almost surely, 2^{72366777766326} is an apocalyptic number.

72366777766326 is an abundant number, since it is smaller than the sum of its proper divisors (72657749989194).

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

72366777766326 is a wasteful number, since it uses less digits than its factorization.

72366777766326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11642340.

The product of its digits is 4704884352, while the sum is 75.

Subtracting from 72366777766326 its reverse (62366777766327), we obtain a palindrome (9999999999999).

The spelling of 72366777766326 in words is "seventy-two trillion, three hundred sixty-six billion, seven hundred seventy-seven million, seven hundred sixty-six thousand, three hundred twenty-six".