6642795 has 16 divisors (see below), whose sum is σ = 10916640. Its totient is φ = 3446784.

The previous prime is 6642793. The next prime is 6642803. The reversal of 6642795 is 5972466.

It is not a de Polignac number, because 6642795 - 2¹ = 6642793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6642793) 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, 5430 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (682290).

Almost surely, 2^6642795 is an apocalyptic number.

6642795 is a deficient number, since it is larger than the sum of its proper divisors (4273845).

6642795 is a wasteful number, since it uses less digits than its factorization.

6642795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12014.

The product of its digits is 90720, while the sum is 39.

The square root of 6642795 is about 2577.3620234651. The cubic root of 6642795 is about 187.9822961298.

The spelling of 6642795 in words is "six million, six hundred forty-two thousand, seven hundred ninety-five".