670220067 has 8 divisors (see below), whose sum is σ = 974865600. Its totient is φ = 406193960.

The previous prime is 670220039. The next prime is 670220101. The reversal of 670220067 is 760022076.

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

It is a cyclic number.

It is not a de Polignac number, because 670220067 - 2⁷ = 670219939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670220167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10154817 + ... + 10154882.

It is an arithmetic number, because the mean of its divisors is an integer number (121858200).

Almost surely, 2^670220067 is an apocalyptic number.

670220067 is a deficient number, since it is larger than the sum of its proper divisors (304645533).

670220067 is a wasteful number, since it uses less digits than its factorization.

670220067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20309713.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 670220067 is about 25888.6088270498. The cubic root of 670220067 is about 875.1298058309.

The spelling of 670220067 in words is "six hundred seventy million, two hundred twenty thousand, sixty-seven".