7690009 has 4 divisors (see below), whose sum is σ = 7698816. Its totient is φ = 7681204.

The previous prime is 7689973. The next prime is 7690013. The reversal of 7690009 is 9000967.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9000967 = 157 ⋅57331.

It is a cyclic number.

It is not a de Polignac number, because 7690009 - 2⁷ = 7689881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7690099) 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, 2929 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (1924704).

Almost surely, 2^7690009 is an apocalyptic number.

It is an amenable number.

7690009 is a deficient number, since it is larger than the sum of its proper divisors (8807).

7690009 is an equidigital number, since it uses as much as digits as its factorization.

7690009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8806.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 7690009 is about 2773.0865475134. The cubic root of 7690009 is about 197.3826381724.

The spelling of 7690009 in words is "seven million, six hundred ninety thousand, nine".