69132409 has 8 divisors (see below), whose sum is σ = 70413728. Its totient is φ = 67858560.

The previous prime is 69132397. The next prime is 69132419. The reversal of 69132409 is 90423196.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69132409 - 2⁵ = 69132377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69132419) 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 7 ways as a sum of consecutive naturals, for example, 18889 + ... + 22249.

It is an arithmetic number, because the mean of its divisors is an integer number (8801716).

Almost surely, 2^69132409 is an apocalyptic number.

It is an amenable number.

69132409 is a deficient number, since it is larger than the sum of its proper divisors (1281319).

69132409 is a wasteful number, since it uses less digits than its factorization.

69132409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3735.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 69132409 is about 8314.5901282024. The cubic root of 69132409 is about 410.4187848666.

The spelling of 69132409 in words is "sixty-nine million, one hundred thirty-two thousand, four hundred nine".