68569344 has 54 divisors (see below), whose sum is σ = 197708966. Its totient is φ = 22855680.

The previous prime is 68569321. The next prime is 68569349. The reversal of 68569344 is 44396586.

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 20793600 = 6912^2 + 4560^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68569344.

It is not an unprimeable number, because it can be changed into a prime (68569349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12577 + ... + 17184.

Almost surely, 2^68569344 is an apocalyptic number.

68569344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68569344 is an abundant number, since it is smaller than the sum of its proper divisors (129139622).

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

68569344 is a wasteful number, since it uses less digits than its factorization.

68569344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29783 (or 29766 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 68569344 is about 8280.6608431936. The cubic root of 68569344 is about 409.3014955650.

The spelling of 68569344 in words is "sixty-eight million, five hundred sixty-nine thousand, three hundred forty-four".