68835648 has 56 divisors (see below), whose sum is σ = 208149952. Its totient is φ = 19666944.

The previous prime is 68835643. The next prime is 68835659. The reversal of 68835648 is 84653886.

It is a tau number, because it is divible by the number of its divisors (56).

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 = 68835597 and 68835606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68835643) 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, 24265 + ... + 26952.

Almost surely, 2^68835648 is an apocalyptic number.

It is an amenable number.

68835648 is an abundant number, since it is smaller than the sum of its proper divisors (139314304).

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

68835648 is a wasteful number, since it uses less digits than its factorization.

68835648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51239 (or 51229 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 68835648 is about 8296.7251370646. The cubic root of 68835648 is about 409.8306816227.

The spelling of 68835648 in words is "sixty-eight million, eight hundred thirty-five thousand, six hundred forty-eight".