6655774 has 8 divisors (see below), whose sum is σ = 10010880. Its totient is φ = 3318816.

The previous prime is 6655769. The next prime is 6655801. The reversal of 6655774 is 4775566.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3579 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (1251360).

Almost surely, 2^6655774 is an apocalyptic number.

6655774 is a deficient number, since it is larger than the sum of its proper divisors (3355106).

6655774 is a wasteful number, since it uses less digits than its factorization.

6655774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9074.

The product of its digits is 176400, while the sum is 40.

The square root of 6655774 is about 2579.8786793181. The cubic root of 6655774 is about 188.1046459806.

The spelling of 6655774 in words is "six million, six hundred fifty-five thousand, seven hundred seventy-four".