7047939 has 4 divisors (see below), whose sum is σ = 9397256. Its totient is φ = 4698624.

The previous prime is 7047919. The next prime is 7047947. The reversal of 7047939 is 9397407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9397407 = 3 ⋅3132469.

It is not a de Polignac number, because 7047939 - 2⁵ = 7047907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7047897 and 7047906.

It is not an unprimeable number, because it can be changed into a prime (7047919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174654 + ... + 1174659.

It is an arithmetic number, because the mean of its divisors is an integer number (2349314).

Almost surely, 2^7047939 is an apocalyptic number.

7047939 is a deficient number, since it is larger than the sum of its proper divisors (2349317).

7047939 is a wasteful number, since it uses less digits than its factorization.

7047939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349316.

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 7047939 is about 2654.7954723481. The cubic root of 7047939 is about 191.7288109346.

The spelling of 7047939 in words is "seven million, forty-seven thousand, nine hundred thirty-nine".