6617723 has 4 divisors (see below), whose sum is σ = 7563120. Its totient is φ = 5672328.

The previous prime is 6617711. The next prime is 6617747. The reversal of 6617723 is 3277166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3277166 = 2 ⋅1638583.

It is a cyclic number.

It is not a de Polignac number, because 6617723 - 2⁸ = 6617467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6617723.

It is not an unprimeable number, because it can be changed into a prime (6617753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472688 + ... + 472701.

It is an arithmetic number, because the mean of its divisors is an integer number (1890780).

Almost surely, 2^6617723 is an apocalyptic number.

6617723 is a deficient number, since it is larger than the sum of its proper divisors (945397).

6617723 is an equidigital number, since it uses as much as digits as its factorization.

6617723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945396.

The product of its digits is 10584, while the sum is 32.

The square root of 6617723 is about 2572.4935374068. The cubic root of 6617723 is about 187.7454965016.

The spelling of 6617723 in words is "six million, six hundred seventeen thousand, seven hundred twenty-three".