670066 has 4 divisors (see below), whose sum is σ = 1005102. Its totient is φ = 335032.

The previous prime is 670051. The next prime is 670097. The reversal of 670066 is 660076.

670066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 594441 + 75625 = 771^2 + 275^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 670066.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670066.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167515 + ... + 167518.

2⁶⁷⁰⁰⁶⁶ is an apocalyptic number.

670066 is a deficient number, since it is larger than the sum of its proper divisors (335036).

670066 is a wasteful number, since it uses less digits than its factorization.

670066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335035.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 670066 is about 818.5755921111. The cubic root of 670066 is about 87.5062743800.

The spelling of 670066 in words is "six hundred seventy thousand, sixty-six".