69868512 has 108 divisors (see below), whose sum is σ = 231174216. Its totient is φ = 19958400.

The previous prime is 69868439. The next prime is 69868517. The reversal of 69868512 is 21586896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69868517) 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 17 ways as a sum of consecutive naturals, for example, 11637 + ... + 16587.

It is an arithmetic number, because the mean of its divisors is an integer number (2140502).

Almost surely, 2^69868512 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 69868512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115587108).

69868512 is an abundant number, since it is smaller than the sum of its proper divisors (161305704).

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

69868512 is a wasteful number, since it uses less digits than its factorization.

69868512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981 (or 4963 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 69868512 is about 8358.7386608268. The cubic root of 69868512 is about 411.8703208297.

The spelling of 69868512 in words is "sixty-nine million, eight hundred sixty-eight thousand, five hundred twelve".