67645068 has 24 divisors (see below), whose sum is σ = 158016768. Its totient is φ = 22522896.

The previous prime is 67645051. The next prime is 67645087. The reversal of 67645068 is 86054676.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10105 + ... + 15407.

It is an arithmetic number, because the mean of its divisors is an integer number (6584032).

Almost surely, 2^67645068 is an apocalyptic number.

It is an amenable number.

67645068 is an abundant number, since it is smaller than the sum of its proper divisors (90371700).

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

67645068 is a wasteful number, since it uses less digits than its factorization.

67645068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373 (or 6371 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 67645068 is about 8224.6621815124. The cubic root of 67645068 is about 407.4541190644.

The spelling of 67645068 in words is "sixty-seven million, six hundred forty-five thousand, sixty-eight".