6750505 has 4 divisors (see below), whose sum is σ = 8100612. Its totient is φ = 5400400.

The previous prime is 6750487. The next prime is 6750511. The reversal of 6750505 is 5050576.

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 1993744 + 4756761 = 1412^2 + 2181^2 .

It is not a de Polignac number, because 6750505 - 2¹³ = 6742313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 675046 + ... + 675055.

It is an arithmetic number, because the mean of its divisors is an integer number (2025153).

Almost surely, 2^6750505 is an apocalyptic number.

It is an amenable number.

6750505 is a deficient number, since it is larger than the sum of its proper divisors (1350107).

6750505 is a wasteful number, since it uses less digits than its factorization.

6750505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350106.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 6750505 is about 2598.1733968309. The cubic root of 6750505 is about 188.9928704047.

The spelling of 6750505 in words is "six million, seven hundred fifty thousand, five hundred five".