70066 has 8 divisors (see below), whose sum is σ = 107244. Its totient is φ = 34320.

The previous prime is 70061. The next prime is 70067. The reversal of 70066 is 66007.

It can be written as a sum of positive squares in 2 ways, for example, as 65025 + 5041 = 255^2 + 71^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (70061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225 + ... + 436.

2⁷⁰⁰⁶⁶ is an apocalyptic number.

70066 is a deficient number, since it is larger than the sum of its proper divisors (37178).

70066 is a wasteful number, since it uses less digits than its factorization.

70066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 70066 is about 264.6998299962. The cubic root of 70066 is about 41.2258015403.

The spelling of 70066 in words is "seventy thousand, sixty-six".