72739706359319 has 4 divisors (see below), whose sum is σ = 72740386867944. Its totient is φ = 72739025850696.

The previous prime is 72739706359291. The next prime is 72739706359343. The reversal of 72739706359319 is 91395360793727.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72739706359319 - 2¹⁶ = 72739706293783 is a prime.

It is a super-2 number, since 2×72739706359319² (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 (72739706350319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340093952 + ... + 340307765.

It is an arithmetic number, because the mean of its divisors is an integer number (18185096716986).

Almost surely, 2^{72739706359319} is an apocalyptic number.

72739706359319 is a deficient number, since it is larger than the sum of its proper divisors (680508625).

72739706359319 is a wasteful number, since it uses less digits than its factorization.

72739706359319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680508624.

The product of its (nonzero) digits is 405076140, while the sum is 71.

The spelling of 72739706359319 in words is "seventy-two trillion, seven hundred thirty-nine billion, seven hundred six million, three hundred fifty-nine thousand, three hundred nineteen".