6617345 has 8 divisors (see below), whose sum is σ = 9075264. Its totient is φ = 4537584.

The previous prime is 6617329. The next prime is 6617357. The reversal of 6617345 is 5437166.

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 6617345 - 2⁴ = 6617329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94499 + ... + 94568.

It is an arithmetic number, because the mean of its divisors is an integer number (1134408).

Almost surely, 2^6617345 is an apocalyptic number.

It is an amenable number.

6617345 is a deficient number, since it is larger than the sum of its proper divisors (2457919).

6617345 is a wasteful number, since it uses less digits than its factorization.

6617345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189079.

The product of its digits is 15120, while the sum is 32.

The square root of 6617345 is about 2572.4200667854. The cubic root of 6617345 is about 187.7419218003.

The spelling of 6617345 in words is "six million, six hundred seventeen thousand, three hundred forty-five".