64272718326 has 8 divisors (see below), whose sum is σ = 128545436664. Its totient is φ = 21424239440.

The previous prime is 64272718309. The next prime is 64272718337. The reversal of 64272718326 is 62381727246.

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

64272718326 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5356059855 + ... + 5356059866.

It is an arithmetic number, because the mean of its divisors is an integer number (16068179583).

Almost surely, 2^64272718326 is an apocalyptic number.

64272718326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64272718326 is a wasteful number, since it uses less digits than its factorization.

64272718326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712119726.

The product of its digits is 1354752, while the sum is 48.

The spelling of 64272718326 in words is "sixty-four billion, two hundred seventy-two million, seven hundred eighteen thousand, three hundred twenty-six".