69327009 has 10 divisors (see below), whose sum is σ = 103562690. Its totient is φ = 46217952.

The previous prime is 69327007. The next prime is 69327017. The reversal of 69327009 is 90072396.

It can be written as a sum of positive squares in only one way, i.e., 66341025 + 2985984 = 8145^2 + 1728^2 .

It is not a de Polignac number, because 69327009 - 2¹ = 69327007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69327001) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 427864 + ... + 428025.

It is an arithmetic number, because the mean of its divisors is an integer number (10356269).

Almost surely, 2^69327009 is an apocalyptic number.

It is an amenable number.

69327009 is a deficient number, since it is larger than the sum of its proper divisors (34235681).

69327009 is an equidigital number, since it uses as much as digits as its factorization.

69327009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855901 (or 855892 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 69327009 is about 8326.2842252712. The cubic root of 69327009 is about 410.8035184250.

The spelling of 69327009 in words is "sixty-nine million, three hundred twenty-seven thousand, nine".