6642336 has 24 divisors (see below), whose sum is σ = 17436384. Its totient is φ = 2214080.

The previous prime is 6642329. The next prime is 6642341. The reversal of 6642336 is 6332466.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 6⁴ + 6⁴ + 4 + 2³ + 3¹¹ + 3¹⁴ + 6⁸ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34500 + ... + 34691.

It is an arithmetic number, because the mean of its divisors is an integer number (726516).

Almost surely, 2^6642336 is an apocalyptic number.

It is an amenable number.

6642336 is an abundant number, since it is smaller than the sum of its proper divisors (10794048).

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

6642336 is a wasteful number, since it uses less digits than its factorization.

6642336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69204 (or 69196 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 6642336 is about 2577.2729773930. The cubic root of 6642336 is about 187.9779663328.

The spelling of 6642336 in words is "six million, six hundred forty-two thousand, three hundred thirty-six".