68565648 has 40 divisors (see below), whose sum is σ = 177642400. Its totient is φ = 22788864.

The previous prime is 68565643. The next prime is 68565659. The reversal of 68565648 is 84656586.

It is a happy number.

It is a super-3 number, since 3×68565648³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 68565597 and 68565606.

It is not an unprimeable number, because it can be changed into a prime (68565643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16308 + ... + 20076.

It is an arithmetic number, because the mean of its divisors is an integer number (4441060).

Almost surely, 2^68565648 is an apocalyptic number.

It is an amenable number.

68565648 is an abundant number, since it is smaller than the sum of its proper divisors (109076752).

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

68565648 is a wasteful number, since it uses less digits than its factorization.

68565648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159 (or 4153 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 48.

The square root of 68565648 is about 8280.4376695921. The cubic root of 68565648 is about 409.2941414257.

The spelling of 68565648 in words is "sixty-eight million, five hundred sixty-five thousand, six hundred forty-eight".