68569448 has 8 divisors (see below), whose sum is σ = 128567730. Its totient is φ = 34284720.

The previous prime is 68569441. The next prime is 68569451. The reversal of 68569448 is 84496586.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41964484 + 26604964 = 6478^2 + 5158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 68569396 and 68569405.

It is not an unprimeable number, because it can be changed into a prime (68569441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4285583 + ... + 4285598.

Almost surely, 2^68569448 is an apocalyptic number.

It is an amenable number.

68569448 is a deficient number, since it is larger than the sum of its proper divisors (59998282).

68569448 is a wasteful number, since it uses less digits than its factorization.

68569448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8571187 (or 8571183 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 68569448 is about 8280.6671228833. The cubic root of 68569448 is about 409.3017024958.

The spelling of 68569448 in words is "sixty-eight million, five hundred sixty-nine thousand, four hundred forty-eight".