72266629045824 has 168 divisors, whose sum is σ = 214893271841248. Its totient is φ = 24079658019840.

The previous prime is 72266629045811. The next prime is 72266629045939. The reversal of 72266629045824 is 42854092666227.

It is a super-3 number, since 3×72266629045824³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39811779 + ... + 41587389.

Almost surely, 2^{72266629045824} 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 72266629045824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107446635920624).

72266629045824 is an abundant number, since it is smaller than the sum of its proper divisors (142626642795424).

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

72266629045824 is a wasteful number, since it uses less digits than its factorization.

72266629045824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778255 (or 1778233 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 63.

The spelling of 72266629045824 in words is "seventy-two trillion, two hundred sixty-six billion, six hundred twenty-nine million, forty-five thousand, eight hundred twenty-four".