72760985793 has 6 divisors (see below), whose sum is σ = 105099201714. Its totient is φ = 48507323856.

The previous prime is 72760985771. The next prime is 72760985837. The reversal of 72760985793 is 39758906727.

It can be written as a sum of positive squares in only one way, i.e., 45348554304 + 27412431489 = 212952^2 + 165567^2 .

It is not a de Polignac number, because 72760985793 - 2⁹ = 72760985281 is a prime.

It is a super-2 number, since 2×72760985793² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72760985793.

It is not an unprimeable number, because it can be changed into a prime (72760985743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4042276980 + ... + 4042276997.

It is an arithmetic number, because the mean of its divisors is an integer number (17516533619).

Almost surely, 2^72760985793 is an apocalyptic number.

It is an amenable number.

72760985793 is a deficient number, since it is larger than the sum of its proper divisors (32338215921).

72760985793 is a wasteful number, since it uses less digits than its factorization.

72760985793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084553983 (or 8084553980 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 63.

The spelling of 72760985793 in words is "seventy-two billion, seven hundred sixty million, nine hundred eighty-five thousand, seven hundred ninety-three".