6975545 has 4 divisors (see below), whose sum is σ = 8370660. Its totient is φ = 5580432.

The previous prime is 6975539. The next prime is 6975581. The reversal of 6975545 is 5455796.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 5837056 = 1067^2 + 2416^2 .

It is a cyclic number.

It is not a de Polignac number, because 6975545 - 2⁶ = 6975481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697550 + ... + 697559.

It is an arithmetic number, because the mean of its divisors is an integer number (2092665).

Almost surely, 2^6975545 is an apocalyptic number.

It is an amenable number.

6975545 is a deficient number, since it is larger than the sum of its proper divisors (1395115).

6975545 is a wasteful number, since it uses less digits than its factorization.

6975545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395114.

The product of its digits is 189000, while the sum is 41.

The square root of 6975545 is about 2641.1257069666. The cubic root of 6975545 is about 191.0700929661.

The spelling of 6975545 in words is "six million, nine hundred seventy-five thousand, five hundred forty-five".