67366668 has 12 divisors (see below), whose sum is σ = 157188920. Its totient is φ = 22455552.

The previous prime is 67366667. The next prime is 67366679. The reversal of 67366668 is 86666376.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (67366667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806933 + ... + 2806956.

Almost surely, 2^67366668 is an apocalyptic number.

It is an amenable number.

67366668 is an abundant number, since it is smaller than the sum of its proper divisors (89822252).

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

67366668 is a wasteful number, since it uses less digits than its factorization.

67366668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613896 (or 5613894 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 48.

The square root of 67366668 is about 8207.7200244648. The cubic root of 67366668 is about 406.8943778303.

The spelling of 67366668 in words is "sixty-seven million, three hundred sixty-six thousand, six hundred sixty-eight".