72278537275014 has 96 divisors (see below), whose sum is σ = 172081903593600. Its totient is φ = 20169228619008.

The previous prime is 72278537275003. The next prime is 72278537275033. The reversal of 72278537275014 is 41057273587227.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172341217 + ... + 172760099.

It is an arithmetic number, because the mean of its divisors is an integer number (1792519829100).

Almost surely, 2^{72278537275014} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72278537275014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86040951796800).

72278537275014 is an abundant number, since it is smaller than the sum of its proper divisors (99803366318586).

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

72278537275014 is a wasteful number, since it uses less digits than its factorization.

72278537275014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432594 (or 432587 counting only the distinct ones).

The product of its (nonzero) digits is 46099200, while the sum is 60.

The spelling of 72278537275014 in words is "seventy-two trillion, two hundred seventy-eight billion, five hundred thirty-seven million, two hundred seventy-five thousand, fourteen".