72616674719 has 4 divisors (see below), whose sum is σ = 72647564640. Its totient is φ = 72585784800.

The previous prime is 72616674709. The next prime is 72616674733. The reversal of 72616674719 is 91747661627.

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 72616674719 - 2⁴ = 72616674703 is a prime.

It is a super-2 number, since 2×72616674719² (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 (72616674709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15441434 + ... + 15446135.

It is an arithmetic number, because the mean of its divisors is an integer number (18161891160).

Almost surely, 2^72616674719 is an apocalyptic number.

72616674719 is a deficient number, since it is larger than the sum of its proper divisors (30889921).

72616674719 is a wasteful number, since it uses less digits than its factorization.

72616674719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30889920.

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

The spelling of 72616674719 in words is "seventy-two billion, six hundred sixteen million, six hundred seventy-four thousand, seven hundred nineteen".