670464028 has 24 divisors (see below), whose sum is σ = 1264342688. Its totient is φ = 309254976.

The previous prime is 670464019. The next prime is 670464029. The reversal of 670464028 is 820464076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670464029) 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 7 ways as a sum of consecutive naturals, for example, 116425 + ... + 122047.

Almost surely, 2^670464028 is an apocalyptic number.

It is an amenable number.

670464028 is a deficient number, since it is larger than the sum of its proper divisors (593878660).

670464028 is a wasteful number, since it uses less digits than its factorization.

670464028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933 (or 7931 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 670464028 is about 25893.3201424615. The cubic root of 670464028 is about 875.2359757561.

The spelling of 670464028 in words is "six hundred seventy million, four hundred sixty-four thousand, twenty-eight".