67328768 has 36 divisors (see below), whose sum is σ = 144739728. Its totient is φ = 31073280.

The previous prime is 67328759. The next prime is 67328771. The reversal of 67328768 is 86782376.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6788 + ... + 13443.

It is an arithmetic number, because the mean of its divisors is an integer number (4020548).

Almost surely, 2^67328768 is an apocalyptic number.

It is an amenable number.

67328768 is an abundant number, since it is smaller than the sum of its proper divisors (77410960).

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

67328768 is a wasteful number, since it uses less digits than its factorization.

67328768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20260 (or 20246 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 67328768 is about 8205.4108976943. The cubic root of 67328768 is about 406.8180582386.

The spelling of 67328768 in words is "sixty-seven million, three hundred twenty-eight thousand, seven hundred sixty-eight".