6342645 has 16 divisors (see below), whose sum is σ = 10183680. Its totient is φ = 3370944.

The previous prime is 6342593. The next prime is 6342647. The reversal of 6342645 is 5462436.

6342645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6342645 - 2⁷ = 6342517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6342647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5292 + ... + 6378.

It is an arithmetic number, because the mean of its divisors is an integer number (636480).

Almost surely, 2^6342645 is an apocalyptic number.

It is an amenable number.

6342645 is a deficient number, since it is larger than the sum of its proper divisors (3841035).

6342645 is a wasteful number, since it uses less digits than its factorization.

6342645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its digits is 17280, while the sum is 30.

The square root of 6342645 is about 2518.4608394811. The cubic root of 6342645 is about 185.1072667431.

The spelling of 6342645 in words is "six million, three hundred forty-two thousand, six hundred forty-five".