72644117713319 has 8 divisors (see below), whose sum is σ = 72728100035760. Its totient is φ = 72560138011776.

The previous prime is 72644117713231. The next prime is 72644117713327. The reversal of 72644117713319 is 91331771144627.

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-72644117713319 is a prime.

It is a super-2 number, since 2×72644117713319² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72644117713339) 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, 57824447 + ... + 59067375.

It is an arithmetic number, because the mean of its divisors is an integer number (9091012504470).

Almost surely, 2^{72644117713319} is an apocalyptic number.

72644117713319 is a deficient number, since it is larger than the sum of its proper divisors (83982322441).

72644117713319 is a wasteful number, since it uses less digits than its factorization.

72644117713319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310449.

The product of its digits is 5334336, while the sum is 56.

The spelling of 72644117713319 in words is "seventy-two trillion, six hundred forty-four billion, one hundred seventeen million, seven hundred thirteen thousand, three hundred nineteen".