6617725 has 12 divisors (see below), whose sum is σ = 8471680. Its totient is φ = 5122800.

The previous prime is 6617711. The next prime is 6617747. The reversal of 6617725 is 5277166.

It is not a de Polignac number, because 6617725 - 2⁵ = 6617693 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

6617725 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3495 + ... + 5044.

Almost surely, 2^6617725 is an apocalyptic number.

It is an amenable number.

6617725 is a deficient number, since it is larger than the sum of its proper divisors (1853955).

6617725 is a wasteful number, since it uses less digits than its factorization.

6617725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8580 (or 8575 counting only the distinct ones).

The product of its digits is 17640, while the sum is 34.

The square root of 6617725 is about 2572.4939261347. The cubic root of 6617725 is about 187.7455154150.

The spelling of 6617725 in words is "six million, six hundred seventeen thousand, seven hundred twenty-five".