72578182284280 has 16 divisors (see below), whose sum is σ = 163300910139720. Its totient is φ = 29031272913696.

The previous prime is 72578182284229. The next prime is 72578182284281. The reversal of 72578182284280 is 8248228187527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72578182284281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907227278514 + ... + 907227278593.

Almost surely, 2^{72578182284280} is an apocalyptic number.

It is an amenable number.

72578182284280 is an abundant number, since it is smaller than the sum of its proper divisors (90722727855440).

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

72578182284280 is a wasteful number, since it uses less digits than its factorization.

72578182284280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814454557118 (or 1814454557114 counting only the distinct ones).

The product of its (nonzero) digits is 64225280, while the sum is 64.

The spelling of 72578182284280 in words is "seventy-two trillion, five hundred seventy-eight billion, one hundred eighty-two million, two hundred eighty-four thousand, two hundred eighty".