7106009 has 4 divisors (see below), whose sum is σ = 7111860. Its totient is φ = 7100160.

The previous prime is 7106003. The next prime is 7106041. The reversal of 7106009 is 9006017.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9006017 = 181 ⋅49757.

It can be written as a sum of positive squares in 2 ways, for example, as 4609609 + 2496400 = 2147^2 + 1580^2 .

It is a cyclic number.

It is not a de Polignac number, because 7106009 - 2⁴ = 7105993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7106003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344 + ... + 3785.

It is an arithmetic number, because the mean of its divisors is an integer number (1777965).

Almost surely, 2^7106009 is an apocalyptic number.

It is an amenable number.

7106009 is a deficient number, since it is larger than the sum of its proper divisors (5851).

7106009 is a wasteful number, since it uses less digits than its factorization.

7106009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 7106009 is about 2665.7098491771. The cubic root of 7106009 is about 192.2539409693.

The spelling of 7106009 in words is "seven million, one hundred six thousand, nine".