72639386259 has 8 divisors (see below), whose sum is σ = 105657289152. Its totient is φ = 44023870440.

The previous prime is 72639386257. The next prime is 72639386263. The reversal of 72639386259 is 95268393627.

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

It is not a de Polignac number, because 72639386259 - 2¹ = 72639386257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72639386257) 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, 1100596729 + ... + 1100596794.

It is an arithmetic number, because the mean of its divisors is an integer number (13207161144).

Almost surely, 2^72639386259 is an apocalyptic number.

72639386259 is a deficient number, since it is larger than the sum of its proper divisors (33017902893).

72639386259 is a wasteful number, since it uses less digits than its factorization.

72639386259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201193537.

The product of its digits is 29393280, while the sum is 60.

The spelling of 72639386259 in words is "seventy-two billion, six hundred thirty-nine million, three hundred eighty-six thousand, two hundred fifty-nine".