67668804 has 144 divisors (see below), whose sum is σ = 215140800. Its totient is φ = 18289152.

The previous prime is 67668791. The next prime is 67668859. The reversal of 67668804 is 40886676.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 67668804.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100212 + ... + 100884.

Almost surely, 2^67668804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67668804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107570400).

67668804 is an abundant number, since it is smaller than the sum of its proper divisors (147471996).

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

67668804 is a wasteful number, since it uses less digits than its factorization.

67668804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 67668804 is about 8226.1050321522. The cubic root of 67668804 is about 407.5017707276.

The spelling of 67668804 in words is "sixty-seven million, six hundred sixty-eight thousand, eight hundred four".