67606706 has 16 divisors (see below), whose sum is σ = 106100928. Its totient is φ = 32247600.

The previous prime is 67606703. The next prime is 67606711. The reversal of 67606706 is 60760676.

It is a self number, because there is not a number n which added to its sum of digits gives 67606706.

It is not an unprimeable number, because it can be changed into a prime (67606703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17621 + ... + 21111.

It is an arithmetic number, because the mean of its divisors is an integer number (6631308).

Almost surely, 2^67606706 is an apocalyptic number.

67606706 is a deficient number, since it is larger than the sum of its proper divisors (38494222).

67606706 is a wasteful number, since it uses less digits than its factorization.

67606706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 67606706 is about 8222.3297185165. The cubic root of 67606706 is about 407.3770811217.

It can be divided in two parts, 6760670 and 6, that added together give a palindrome (6760676).

The spelling of 67606706 in words is "sixty-seven million, six hundred six thousand, seven hundred six".