6944545 has 8 divisors (see below), whose sum is σ = 8470440. Its totient is φ = 5464320.

The previous prime is 6944513. The next prime is 6944549. The reversal of 6944545 is 5454496.

It can be written as a sum of positive squares in 4 ways, for example, as 654481 + 6290064 = 809^2 + 2508^2 .

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

It is not a de Polignac number, because 6944545 - 2⁵ = 6944513 is a prime.

6944545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6944549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11080 + ... + 11689.

It is an arithmetic number, because the mean of its divisors is an integer number (1058805).

Almost surely, 2^6944545 is an apocalyptic number.

It is an amenable number.

6944545 is a deficient number, since it is larger than the sum of its proper divisors (1525895).

6944545 is a wasteful number, since it uses less digits than its factorization.

6944545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22835.

The product of its digits is 86400, while the sum is 37.

The square root of 6944545 is about 2635.2504624798. The cubic root of 6944545 is about 190.7866279468.

The spelling of 6944545 in words is "six million, nine hundred forty-four thousand, five hundred forty-five".