6727744145 has 16 divisors (see below), whose sum is σ = 8454758400. Its totient is φ = 5129577024.

The previous prime is 6727744109. The next prime is 6727744187. The reversal of 6727744145 is 5414477276.

It is not a de Polignac number, because 6727744145 - 2¹⁸ = 6727482001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6727744145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73745 + ... + 137454.

It is an arithmetic number, because the mean of its divisors is an integer number (528422400).

Almost surely, 2^6727744145 is an apocalyptic number.

It is an amenable number.

6727744145 is a deficient number, since it is larger than the sum of its proper divisors (1727014255).

6727744145 is a wasteful number, since it uses less digits than its factorization.

6727744145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211504.

The product of its digits is 1317120, while the sum is 47.

The square root of 6727744145 is about 82022.8269751781. The cubic root of 6727744145 is about 1887.8022048464.

The spelling of 6727744145 in words is "six billion, seven hundred twenty-seven million, seven hundred forty-four thousand, one hundred forty-five".