6442067 has 4 divisors (see below), whose sum is σ = 6450840. Its totient is φ = 6433296.

The previous prime is 6442063. The next prime is 6442081. The reversal of 6442067 is 7602446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7602446 = 2 ⋅3801223.

It is a cyclic number.

It is not a de Polignac number, because 6442067 - 2² = 6442063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6442063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3173 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (1612710).

Almost surely, 2^6442067 is an apocalyptic number.

6442067 is a deficient number, since it is larger than the sum of its proper divisors (8773).

6442067 is an equidigital number, since it uses as much as digits as its factorization.

6442067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8772.

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

The square root of 6442067 is about 2538.1227314691. The cubic root of 6442067 is about 186.0694522304.

The spelling of 6442067 in words is "six million, four hundred forty-two thousand, sixty-seven".