67068616 has 8 divisors (see below), whose sum is σ = 125753670. Its totient is φ = 33534304.

The previous prime is 67068607. The next prime is 67068623. The reversal of 67068616 is 61686076.

It can be written as a sum of positive squares in only one way, i.e., 63266116 + 3802500 = 7954^2 + 1950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4191781 + ... + 4191796.

Almost surely, 2^67068616 is an apocalyptic number.

It is an amenable number.

67068616 is a deficient number, since it is larger than the sum of its proper divisors (58685054).

67068616 is a wasteful number, since it uses less digits than its factorization.

67068616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383583 (or 8383579 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 67068616 is about 8189.5430885978. The cubic root of 67068616 is about 406.2934130805.

The spelling of 67068616 in words is "sixty-seven million, sixty-eight thousand, six hundred sixteen".