72084904319 has 4 divisors (see below), whose sum is σ = 72089110320. Its totient is φ = 72080698320.

The previous prime is 72084904303. The next prime is 72084904321. The reversal of 72084904319 is 91340948027.

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 72084904319 - 2⁴ = 72084904303 is a prime.

It is a super-2 number, since 2×72084904319² (a number of 23 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 (72084904379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2077187 + ... + 2111604.

It is an arithmetic number, because the mean of its divisors is an integer number (18022277580).

Almost surely, 2^72084904319 is an apocalyptic number.

72084904319 is a deficient number, since it is larger than the sum of its proper divisors (4206001).

72084904319 is a wasteful number, since it uses less digits than its factorization.

72084904319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206000.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 72084904319 in words is "seventy-two billion, eighty-four million, nine hundred four thousand, three hundred nineteen".