6945560 has 32 divisors (see below), whose sum is σ = 15811200. Its totient is φ = 2745600.

The previous prime is 6945559. The next prime is 6945577. The reversal of 6945560 is 655496.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6945560.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 2585 + ... + 4535.

It is an arithmetic number, because the mean of its divisors is an integer number (494100).

Almost surely, 2^6945560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6945560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7905600).

6945560 is an abundant number, since it is smaller than the sum of its proper divisors (8865640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6945560 is a wasteful number, since it uses less digits than its factorization.

6945560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6945560 is about 2635.4430367587. The cubic root of 6945560 is about 190.7959224839.

Subtracting from 6945560 its reverse (655496), we obtain a square (6290064 = 2508²).

The spelling of 6945560 in words is "six million, nine hundred forty-five thousand, five hundred sixty".