72003924913040 has 80 divisors (see below), whose sum is σ = 168349215585600. Its totient is φ = 28639843293696.

The previous prime is 72003924913033. The next prime is 72003924913099. The reversal of 72003924913040 is 4031942930027.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 72003924912982 and 72003924913000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831132446 + ... + 831219074.

It is an arithmetic number, because the mean of its divisors is an integer number (2104365194820).

Almost surely, 2^{72003924913040} is an apocalyptic number.

It is an amenable number.

72003924913040 is an abundant number, since it is smaller than the sum of its proper divisors (96345290672560).

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

72003924913040 is a wasteful number, since it uses less digits than its factorization.

72003924913040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144864 (or 144858 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 72003924913040 in words is "seventy-two trillion, three billion, nine hundred twenty-four million, nine hundred thirteen thousand, forty".