14748728717 has 8 divisors (see below), whose sum is σ = 15062121720. Its totient is φ = 14438617600.

The previous prime is 14748728711. The next prime is 14748728773. The reversal of 14748728717 is 71782784741.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 470629636 + 14278099081 = 21694^2 + 119491^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14748728717 - 2⁸ = 14748728461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14748728711) 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, 811388 + ... + 829365.

It is an arithmetic number, because the mean of its divisors is an integer number (1882765215).

Almost surely, 2^14748728717 is an apocalyptic number.

It is an amenable number.

14748728717 is a deficient number, since it is larger than the sum of its proper divisors (313393003).

14748728717 is a wasteful number, since it uses less digits than its factorization.

14748728717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640943.

The product of its digits is 4917248, while the sum is 56.

The spelling of 14748728717 in words is "fourteen billion, seven hundred forty-eight million, seven hundred twenty-eight thousand, seven hundred seventeen".