7644066 has 8 divisors (see below), whose sum is σ = 15288144. Its totient is φ = 2548020.

The previous prime is 7644059. The next prime is 7644071. The reversal of 7644066 is 6604467.

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

7644066 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637000 + ... + 637011.

It is an arithmetic number, because the mean of its divisors is an integer number (1911018).

Almost surely, 2^7644066 is an apocalyptic number.

7644066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7644066 is a wasteful number, since it uses less digits than its factorization.

7644066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274016.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 7644066 is about 2764.7904079695. The cubic root of 7644066 is about 196.9887734419.

The spelling of 7644066 in words is "seven million, six hundred forty-four thousand, sixty-six".