69332009 has 4 divisors (see below), whose sum is σ = 69359316. Its totient is φ = 69304704.

The previous prime is 69331993. The next prime is 69332023. The reversal of 69332009 is 90023396.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41538025 + 27793984 = 6445^2 + 5272^2 .

It is a cyclic number.

It is not a de Polignac number, because 69332009 - 2⁴ = 69331993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69332099) 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, 9404 + ... + 15069.

It is an arithmetic number, because the mean of its divisors is an integer number (17339829).

Almost surely, 2^69332009 is an apocalyptic number.

It is an amenable number.

69332009 is a deficient number, since it is larger than the sum of its proper divisors (27307).

69332009 is a wasteful number, since it uses less digits than its factorization.

69332009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27306.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 69332009 is about 8326.5844738404. The cubic root of 69332009 is about 410.8133941730.

The spelling of 69332009 in words is "sixty-nine million, three hundred thirty-two thousand, nine".