7082639 has 4 divisors (see below), whose sum is σ = 7168056. Its totient is φ = 6997224.

The previous prime is 7082629. The next prime is 7082657. The reversal of 7082639 is 9362807.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9362807 = 2383 ⋅3929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7082639 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 7082599 and 7082608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7082629) 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, 42584 + ... + 42749.

It is an arithmetic number, because the mean of its divisors is an integer number (1792014).

Almost surely, 2^7082639 is an apocalyptic number.

7082639 is a deficient number, since it is larger than the sum of its proper divisors (85417).

7082639 is an equidigital number, since it uses as much as digits as its factorization.

7082639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85416.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7082639 is about 2661.3227913953. The cubic root of 7082639 is about 192.0429500992.

The spelling of 7082639 in words is "seven million, eighty-two thousand, six hundred thirty-nine".