6717145 has 8 divisors (see below), whose sum is σ = 8139456. Its totient is φ = 5321136.

The previous prime is 6717143. The next prime is 6717149. The reversal of 6717145 is 5417176.

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

It is a cyclic number.

It is not a de Polignac number, because 6717145 - 2¹ = 6717143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6717143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6007 + ... + 7036.

It is an arithmetic number, because the mean of its divisors is an integer number (1017432).

Almost surely, 2^6717145 is an apocalyptic number.

It is an amenable number.

6717145 is a deficient number, since it is larger than the sum of its proper divisors (1422311).

6717145 is a wasteful number, since it uses less digits than its factorization.

6717145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13151.

The product of its digits is 5880, while the sum is 31.

The square root of 6717145 is about 2591.7455507823. The cubic root of 6717145 is about 188.6810311884.

Adding to 6717145 its sum of digits (31), we get a palindrome (6717176).

The spelling of 6717145 in words is "six million, seven hundred seventeen thousand, one hundred forty-five".