6645362 has 8 divisors (see below), whose sum is σ = 10211292. Its totient is φ = 3241600.

The previous prime is 6645341. The next prime is 6645389. The reversal of 6645362 is 2635466.

It can be written as a sum of positive squares in 2 ways, for example, as 6195121 + 450241 = 2489^2 + 671^2 .

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

It is a super-2 number, since 2×6645362² = 88321672222088, which contains 22 as substring.

It is an Ulam number.

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, 40439 + ... + 40602.

Almost surely, 2^6645362 is an apocalyptic number.

6645362 is a deficient number, since it is larger than the sum of its proper divisors (3565930).

6645362 is a wasteful number, since it uses less digits than its factorization.

6645362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81084.

The product of its digits is 25920, while the sum is 32.

The square root of 6645362 is about 2577.8599651649. The cubic root of 6645362 is about 188.0065072442.

It can be divided in two parts, 6645 and 362, that added together give a palindrome (7007).

The spelling of 6645362 in words is "six million, six hundred forty-five thousand, three hundred sixty-two".