68067960 has 64 divisors (see below), whose sum is σ = 205178400. Its totient is φ = 18064896.

The previous prime is 68067947. The next prime is 68067991. The reversal of 68067960 is 6976086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26242 + ... + 28718.

Almost surely, 2^68067960 is an apocalyptic number.

68067960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68067960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102589200).

68067960 is an abundant number, since it is smaller than the sum of its proper divisors (137110440).

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

68067960 is a wasteful number, since it uses less digits than its factorization.

68067960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 68067960 is about 8250.3309024548. The cubic root of 68067960 is about 408.3014400561.

The spelling of 68067960 in words is "sixty-eight million, sixty-seven thousand, nine hundred sixty".