69985968 has 80 divisors (see below), whose sum is σ = 204986880. Its totient is φ = 20397312.

The previous prime is 69985963. The next prime is 69985969. The reversal of 69985968 is 86958996.

It is not an unprimeable number, because it can be changed into a prime (69985963) 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 15 ways as a sum of consecutive naturals, for example, 8905 + ... + 14807.

It is an arithmetic number, because the mean of its divisors is an integer number (2562336).

Almost surely, 2^69985968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69985968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102493440).

69985968 is an abundant number, since it is smaller than the sum of its proper divisors (135000912).

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

69985968 is a wasteful number, since it uses less digits than its factorization.

69985968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946 (or 5940 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 60.

The square root of 69985968 is about 8365.7616509198. The cubic root of 69985968 is about 412.1009901047.

The spelling of 69985968 in words is "sixty-nine million, nine hundred eighty-five thousand, nine hundred sixty-eight".