72082418565540 has 96 divisors (see below), whose sum is σ = 202245649208064. Its totient is φ = 19182487633920.

The previous prime is 72082418565533. The next prime is 72082418565541. The reversal of 72082418565540 is 4556581428027.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72082418565541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107715457 + ... + 108382583.

It is an arithmetic number, because the mean of its divisors is an integer number (2106725512584).

Almost surely, 2^{72082418565540} is an apocalyptic number.

It is an amenable number.

72082418565540 is an abundant number, since it is smaller than the sum of its proper divisors (130163230642524).

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

72082418565540 is a wasteful number, since it uses less digits than its factorization.

72082418565540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670837 (or 670835 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 57.

The spelling of 72082418565540 in words is "seventy-two trillion, eighty-two billion, four hundred eighteen million, five hundred sixty-five thousand, five hundred forty".