670502217 has 16 divisors (see below), whose sum is σ = 1114601472. Its totient is φ = 348312720.

The previous prime is 670502171. The next prime is 670502227. The reversal of 670502217 is 712205076.

It is not a de Polignac number, because 670502217 - 2⁷ = 670502089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670502227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1451073 + ... + 1451534.

It is an arithmetic number, because the mean of its divisors is an integer number (69662592).

Almost surely, 2^670502217 is an apocalyptic number.

It is an amenable number.

670502217 is a deficient number, since it is larger than the sum of its proper divisors (444099255).

670502217 is a wasteful number, since it uses less digits than its factorization.

670502217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902628.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 670502217 is about 25894.0575615333. The cubic root of 670502217 is about 875.2525929798.

The spelling of 670502217 in words is "six hundred seventy million, five hundred two thousand, two hundred seventeen".