72040207766752 has 48 divisors (see below), whose sum is σ = 144854117577792. Its totient is φ = 35251937873920.

The previous prime is 72040207766741. The next prime is 72040207766819. The reversal of 72040207766752 is 25766770204027.

It is a junction number, because it is equal to n+sod(n) for n = 72040207766693 and 72040207766702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28821528 + ... + 31221160.

It is an arithmetic number, because the mean of its divisors is an integer number (3017794116204).

Almost surely, 2^{72040207766752} is an apocalyptic number.

It is an amenable number.

72040207766752 is an abundant number, since it is smaller than the sum of its proper divisors (72813909811040).

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

72040207766752 is a wasteful number, since it uses less digits than its factorization.

72040207766752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419651 (or 2419643 counting only the distinct ones).

The product of its (nonzero) digits is 13829760, while the sum is 55.

The spelling of 72040207766752 in words is "seventy-two trillion, forty billion, two hundred seven million, seven hundred sixty-six thousand, seven hundred fifty-two".