6943745 has 16 divisors (see below), whose sum is σ = 8561280. Its totient is φ = 5405184.

The previous prime is 6943711. The next prime is 6943747. The reversal of 6943745 is 5473496.

It is a cyclic number.

It is not a de Polignac number, because 6943745 - 2⁶ = 6943681 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6943699 and 6943708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6943747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49886 + ... + 50024.

It is an arithmetic number, because the mean of its divisors is an integer number (535080).

Almost surely, 2^6943745 is an apocalyptic number.

It is an amenable number.

6943745 is a deficient number, since it is larger than the sum of its proper divisors (1617535).

6943745 is a wasteful number, since it uses less digits than its factorization.

6943745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344.

The product of its digits is 90720, while the sum is 38.

The square root of 6943745 is about 2635.0986698794. The cubic root of 6943745 is about 190.7793015650.

The spelling of 6943745 in words is "six million, nine hundred forty-three thousand, seven hundred forty-five".