7036009 has 4 divisors (see below), whose sum is σ = 7278660. Its totient is φ = 6793360.

The previous prime is 7035989. The next prime is 7036021. The reversal of 7036009 is 9006307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9006307 = 43 ⋅209449.

It can be written as a sum of positive squares in 2 ways, for example, as 5076009 + 1960000 = 2253^2 + 1400^2 .

It is a cyclic number.

It is not a de Polignac number, because 7036009 - 2⁷ = 7035881 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 (7036049) 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 3 ways as a sum of consecutive naturals, for example, 121282 + ... + 121339.

It is an arithmetic number, because the mean of its divisors is an integer number (1819665).

Almost surely, 2^7036009 is an apocalyptic number.

It is an amenable number.

7036009 is a deficient number, since it is larger than the sum of its proper divisors (242651).

7036009 is a wasteful number, since it uses less digits than its factorization.

7036009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242650.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 7036009 is about 2652.5476433045. The cubic root of 7036009 is about 191.6205704732.

The spelling of 7036009 in words is "seven million, thirty-six thousand, nine".