7042879 has 8 divisors (see below), whose sum is σ = 7535808. Its totient is φ = 6558720.

The previous prime is 7042873. The next prime is 7042883. The reversal of 7042879 is 9782407.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7042879 - 2⁹ = 7042367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487 + ... + 3784.

It is an arithmetic number, because the mean of its divisors is an integer number (941976).

Almost surely, 2^7042879 is an apocalyptic number.

7042879 is a deficient number, since it is larger than the sum of its proper divisors (492929).

7042879 is a wasteful number, since it uses less digits than its factorization.

7042879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 7042879 is about 2653.8423088043. The cubic root of 7042879 is about 191.6829166647.

It can be divided in two parts, 70428 and 79, that added together give a palindrome (70507).

The spelling of 7042879 in words is "seven million, forty-two thousand, eight hundred seventy-nine".