69471164 has 12 divisors (see below), whose sum is σ = 138942384. Its totient is φ = 29773344.

The previous prime is 69471151. The next prime is 69471169. The reversal of 69471164 is 46117496.

It is a happy number.

69471164 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69471169) 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, 1240529 + ... + 1240584.

It is an arithmetic number, because the mean of its divisors is an integer number (11578532).

Almost surely, 2^69471164 is an apocalyptic number.

It is an amenable number.

69471164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69471164 is a wasteful number, since it uses less digits than its factorization.

69471164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481124 (or 2481122 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 69471164 is about 8334.9363524864. The cubic root of 69471164 is about 411.0880558345.

The spelling of 69471164 in words is "sixty-nine million, four hundred seventy-one thousand, one hundred sixty-four".