6875744445 has 54 divisors (see below), whose sum is σ = 12223401918. Its totient is φ = 3575394528.

The previous prime is 6875744443. The next prime is 6875744459. The reversal of 6875744445 is 5444475786.

6875744445 is a `hidden beast` number, since 68 + 7 + 574 + 4 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5500595556 + 1375148889 = 74166^2 + 37083^2 .

It is not a de Polignac number, because 6875744445 - 2¹ = 6875744443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6875744391 and 6875744400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6875744443) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 26143384 + ... + 26143646.

Almost surely, 2^6875744445 is an apocalyptic number.

It is an amenable number.

6875744445 is a deficient number, since it is larger than the sum of its proper divisors (5347657473).

6875744445 is an equidigital number, since it uses as much as digits as its factorization.

6875744445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 318 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 54.

The square root of 6875744445 is about 82920.1088096247. The cubic root of 6875744445 is about 1901.5448603629.

The spelling of 6875744445 in words is "six billion, eight hundred seventy-five million, seven hundred forty-four thousand, four hundred forty-five".