670545004 has 24 divisors (see below), whose sum is σ = 1227916928. Its totient is φ = 320008320.

The previous prime is 670544983. The next prime is 670545019. The reversal of 670545004 is 400545076.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

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, 27987 + ... + 46090.

Almost surely, 2^670545004 is an apocalyptic number.

It is an amenable number.

670545004 is a deficient number, since it is larger than the sum of its proper divisors (557371924).

670545004 is a wasteful number, since it uses less digits than its factorization.

670545004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74185 (or 74183 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 670545004 is about 25894.8837417742. The cubic root of 670545004 is about 875.2712101870.

The spelling of 670545004 in words is "six hundred seventy million, five hundred forty-five thousand, four".