6442607 has 4 divisors (see below), whose sum is σ = 6457920. Its totient is φ = 6427296.

The previous prime is 6442591. The next prime is 6442613. The reversal of 6442607 is 7062446.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6442607 - 2⁴ = 6442591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6442607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442697) 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 3 ways as a sum of consecutive naturals, for example, 7007 + ... + 7872.

It is an arithmetic number, because the mean of its divisors is an integer number (1614480).

Almost surely, 2^6442607 is an apocalyptic number.

6442607 is a deficient number, since it is larger than the sum of its proper divisors (15313).

6442607 is a wasteful number, since it uses less digits than its factorization.

6442607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15312.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 6442607 is about 2538.2291070745. The cubic root of 6442607 is about 186.0746511154.

The spelling of 6442607 in words is "six million, four hundred forty-two thousand, six hundred seven".