70066066 has 16 divisors (see below), whose sum is σ = 121806720. Its totient is φ = 29604960.

The previous prime is 70066043. The next prime is 70066067. The reversal of 70066066 is 66066007.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (70066067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34251 + ... + 36238.

It is an arithmetic number, because the mean of its divisors is an integer number (7612920).

Almost surely, 2^70066066 is an apocalyptic number.

70066066 is a deficient number, since it is larger than the sum of its proper divisors (51740654).

70066066 is a wasteful number, since it uses less digits than its factorization.

70066066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70569.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 70066066 is about 8370.5475328678. The cubic root of 70066066 is about 412.2581448481.

It can be divided in two parts, 700 and 66066, that added together give a palindrome (66766).

The spelling of 70066066 in words is "seventy million, sixty-six thousand, sixty-six".