6745217 has 4 divisors (see below), whose sum is σ = 6757296. Its totient is φ = 6733140.

The previous prime is 6745201. The next prime is 6745229. The reversal of 6745217 is 7125476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6745217 - 2⁴ = 6745201 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (6745267) by changing a digit.

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, 5159 + ... + 6332.

It is an arithmetic number, because the mean of its divisors is an integer number (1689324).

Almost surely, 2^6745217 is an apocalyptic number.

It is an amenable number.

6745217 is a deficient number, since it is larger than the sum of its proper divisors (12079).

6745217 is a wasteful number, since it uses less digits than its factorization.

6745217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12078.

The product of its digits is 11760, while the sum is 32.

The square root of 6745217 is about 2597.1555594535. The cubic root of 6745217 is about 188.9435084004.

The spelling of 6745217 in words is "six million, seven hundred forty-five thousand, two hundred seventeen".