6742879 has 16 divisors (see below), whose sum is σ = 8061984. Its totient is φ = 5558400.

The previous prime is 6742859. The next prime is 6742889. The reversal of 6742879 is 9782476.

It is a cyclic number.

It is not a de Polignac number, because 6742879 - 2¹¹ = 6740831 is a prime.

It is a d-powerful number, because it can be written as 6 + 7⁷ + 4⁷ + 2¹⁷ + 8³ + 7⁸ + 9⁴ .

It is a Duffinian number.

6742879 is a lucky number.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8337 + ... + 9109.

It is an arithmetic number, because the mean of its divisors is an integer number (503874).

Almost surely, 2^6742879 is an apocalyptic number.

6742879 is a deficient number, since it is larger than the sum of its proper divisors (1319105).

6742879 is a wasteful number, since it uses less digits than its factorization.

6742879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its digits is 169344, while the sum is 43.

The square root of 6742879 is about 2596.7054126335. The cubic root of 6742879 is about 188.9216755979.

It can be divided in two parts, 674 and 2879, that added together give a palindrome (3553).

The spelling of 6742879 in words is "six million, seven hundred forty-two thousand, eight hundred seventy-nine".