69856412 has 6 divisors (see below), whose sum is σ = 122248728. Its totient is φ = 34928204.

The previous prime is 69856399. The next prime is 69856453. The reversal of 69856412 is 21465896.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 69856412.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8732048 + ... + 8732055.

It is an arithmetic number, because the mean of its divisors is an integer number (20374788).

Almost surely, 2^69856412 is an apocalyptic number.

It is an amenable number.

69856412 is a deficient number, since it is larger than the sum of its proper divisors (52392316).

69856412 is a wasteful number, since it uses less digits than its factorization.

69856412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17464107 (or 17464105 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 69856412 is about 8358.0148360720. The cubic root of 69856412 is about 411.8465432201.

The spelling of 69856412 in words is "sixty-nine million, eight hundred fifty-six thousand, four hundred twelve".