68065648 has 40 divisors (see below), whose sum is σ = 157275648. Its totient is φ = 27901632.

The previous prime is 68065643. The next prime is 68065649. The reversal of 68065648 is 84656086.

It is a super-3 number, since 3×68065648³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68065643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10636 + ... + 15787.

Almost surely, 2^68065648 is an apocalyptic number.

It is an amenable number.

68065648 is an abundant number, since it is smaller than the sum of its proper divisors (89210000).

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

68065648 is a wasteful number, since it uses less digits than its factorization.

68065648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26461 (or 26455 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 68065648 is about 8250.1907856728. The cubic root of 68065648 is about 408.2968172075.

The spelling of 68065648 in words is "sixty-eight million, sixty-five thousand, six hundred forty-eight".