72835726885 has 8 divisors (see below), whose sum is σ = 87422395680. Its totient is φ = 58255565904.

The previous prime is 72835726877. The next prime is 72835726889. The reversal of 72835726885 is 58862753827.

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

It is a cyclic number.

It is not a de Polignac number, because 72835726885 - 2³ = 72835726877 is a prime.

It is a super-2 number, since 2×72835726885² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72835726889) 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, 1602295 + ... + 1647124.

It is an arithmetic number, because the mean of its divisors is an integer number (10927799460).

Almost surely, 2^72835726885 is an apocalyptic number.

It is an amenable number.

72835726885 is a deficient number, since it is larger than the sum of its proper divisors (14586668795).

72835726885 is a wasteful number, since it uses less digits than its factorization.

72835726885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253907.

The product of its digits is 45158400, while the sum is 61.

The spelling of 72835726885 in words is "seventy-two billion, eight hundred thirty-five million, seven hundred twenty-six thousand, eight hundred eighty-five".