72536789369 has 8 divisors (see below), whose sum is σ = 79163252640. Its totient is φ = 65915694400.

The previous prime is 72536789359. The next prime is 72536789387. The reversal of 72536789369 is 96398763527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72536789369 is a prime.

It is a super-4 number, since 4×72536789369⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72536789309) 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, 1313792 + ... + 1367889.

It is an arithmetic number, because the mean of its divisors is an integer number (9895406580).

Almost surely, 2^72536789369 is an apocalyptic number.

It is an amenable number.

72536789369 is a deficient number, since it is larger than the sum of its proper divisors (6626463271).

72536789369 is a wasteful number, since it uses less digits than its factorization.

72536789369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684151.

The product of its digits is 102876480, while the sum is 65.

The spelling of 72536789369 in words is "seventy-two billion, five hundred thirty-six million, seven hundred eighty-nine thousand, three hundred sixty-nine".