69648568 has 64 divisors (see below), whose sum is σ = 148976640. Its totient is φ = 30492000.

The previous prime is 69648559. The next prime is 69648569. The reversal of 69648568 is 86584696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69648569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329983 + ... + 330193.

It is an arithmetic number, because the mean of its divisors is an integer number (2327760).

Almost surely, 2^69648568 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 69648568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74488320).

69648568 is an abundant number, since it is smaller than the sum of its proper divisors (79328072).

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

69648568 is a wasteful number, since it uses less digits than its factorization.

69648568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 255 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 69648568 is about 8345.5717599215. The cubic root of 69648568 is about 411.4376813551.

The spelling of 69648568 in words is "sixty-nine million, six hundred forty-eight thousand, five hundred sixty-eight".