6993745 has 16 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 5032000.

The previous prime is 6993737. The next prime is 6993751. The reversal of 6993745 is 5473996.

It is not a de Polignac number, because 6993745 - 2³ = 6993737 is a prime.

It is a d-powerful number, because it can be written as 6 + 9 + 9² + 3¹¹ + 7⁸ + 4¹⁰ + 5⁵ .

6993745 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4926 + ... + 6184.

It is an arithmetic number, because the mean of its divisors is an integer number (578340).

Almost surely, 2^6993745 is an apocalyptic number.

It is an amenable number.

6993745 is a deficient number, since it is larger than the sum of its proper divisors (2259695).

6993745 is a wasteful number, since it uses less digits than its factorization.

6993745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376.

The product of its digits is 204120, while the sum is 43.

The square root of 6993745 is about 2644.5689629881. The cubic root of 6993745 is about 191.2361232758.

It can be divided in two parts, 699 and 3745, that added together give a palindrome (4444).

The spelling of 6993745 in words is "six million, nine hundred ninety-three thousand, seven hundred forty-five".