72224755411686 has 8 divisors (see below), whose sum is σ = 144449510823384. Its totient is φ = 24074918470560.

The previous prime is 72224755411583. The next prime is 72224755411717. The reversal of 72224755411686 is 68611455742227.

It is a sphenic number, since it is the product of 3 distinct primes.

72224755411686 is an admirable number.

It is a super-2 number, since 2×72224755411686² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6018729617635 + ... + 6018729617646.

It is an arithmetic number, because the mean of its divisors is an integer number (18056188852923).

Almost surely, 2^{72224755411686} is an apocalyptic number.

72224755411686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

72224755411686 is a wasteful number, since it uses less digits than its factorization.

72224755411686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12037459235286.

The product of its digits is 45158400, while the sum is 60.

The spelling of 72224755411686 in words is "seventy-two trillion, two hundred twenty-four billion, seven hundred fifty-five million, four hundred eleven thousand, six hundred eighty-six".