67945308 has 12 divisors (see below), whose sum is σ = 158539080. Its totient is φ = 22648432.

The previous prime is 67945301. The next prime is 67945309. The reversal of 67945308 is 80354976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 67945308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67945301) 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 3 ways as a sum of consecutive naturals, for example, 2831043 + ... + 2831066.

It is an arithmetic number, because the mean of its divisors is an integer number (13211590).

Almost surely, 2^67945308 is an apocalyptic number.

It is an amenable number.

67945308 is an abundant number, since it is smaller than the sum of its proper divisors (90593772).

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

67945308 is a wasteful number, since it uses less digits than its factorization.

67945308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662116 (or 5662114 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 67945308 is about 8242.8943945680. The cubic root of 67945308 is about 408.0560524681.

The spelling of 67945308 in words is "sixty-seven million, nine hundred forty-five thousand, three hundred eight".