6742855 has 16 divisors (see below), whose sum is σ = 9446400. Its totient is φ = 4524192.

The previous prime is 6742817. The next prime is 6742859. The reversal of 6742855 is 5582476.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6742855 - 2¹¹ = 6740807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6742859) 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, 405 + ... + 3694.

It is an arithmetic number, because the mean of its divisors is an integer number (590400).

Almost surely, 2^6742855 is an apocalyptic number.

6742855 is a deficient number, since it is larger than the sum of its proper divisors (2703545).

6742855 is a wasteful number, since it uses less digits than its factorization.

6742855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158.

The product of its digits is 67200, while the sum is 37.

The square root of 6742855 is about 2596.7007913890. The cubic root of 6742855 is about 188.9214514540.

The spelling of 6742855 in words is "six million, seven hundred forty-two thousand, eight hundred fifty-five".