72550371274540 has 24 divisors (see below), whose sum is σ = 152417387455200. Its totient is φ = 29008413694848.

The previous prime is 72550371274523. The next prime is 72550371274541. The reversal of 72550371274540 is 4547217305527.

It is not an unprimeable number, because it can be changed into a prime (72550371274541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733375240 + ... + 733474159.

It is an arithmetic number, because the mean of its divisors is an integer number (6350724477300).

Almost surely, 2^{72550371274540} is an apocalyptic number.

It is an amenable number.

72550371274540 is an abundant number, since it is smaller than the sum of its proper divisors (79867016180660).

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

72550371274540 is a wasteful number, since it uses less digits than its factorization.

72550371274540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466851881 (or 1466851879 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 52.

The spelling of 72550371274540 in words is "seventy-two trillion, five hundred fifty billion, three hundred seventy-one million, two hundred seventy-four thousand, five hundred forty".