67066704 has 50 divisors (see below), whose sum is σ = 194114250. Its totient is φ = 22355136.

The previous prime is 67066679. The next prime is 67066709. The reversal of 67066704 is 40766076.

It can be written as a sum of positive squares in only one way, i.e., 61591104 + 5475600 = 7848^2 + 2340^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67066709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 24579 + ... + 27170.

It is an arithmetic number, because the mean of its divisors is an integer number (3882285).

Almost surely, 2^67066704 is an apocalyptic number.

It is an amenable number.

67066704 is an abundant number, since it is smaller than the sum of its proper divisors (127047546).

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

67066704 is a wasteful number, since it uses less digits than its factorization.

67066704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51769 (or 51754 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 67066704 is about 8189.4263535366. The cubic root of 67066704 is about 406.2895521570.

The spelling of 67066704 in words is "sixty-seven million, sixty-six thousand, seven hundred four".