670495256 has 16 divisors (see below), whose sum is σ = 1323346200. Its totient is φ = 317602944.

The previous prime is 670495253. The next prime is 670495303. The reversal of 670495256 is 652594076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670495253) 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 3 ways as a sum of consecutive naturals, for example, 2205425 + ... + 2205728.

Almost surely, 2^670495256 is an apocalyptic number.

It is an amenable number.

670495256 is a deficient number, since it is larger than the sum of its proper divisors (652850944).

670495256 is a wasteful number, since it uses less digits than its factorization.

670495256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411178 (or 4411174 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 670495256 is about 25893.9231481056. The cubic root of 670495256 is about 875.2495640788.

The spelling of 670495256 in words is "six hundred seventy million, four hundred ninety-five thousand, two hundred fifty-six".