670704027 has 16 divisors (see below), whose sum is σ = 1026309120. Its totient is φ = 381652992.

The previous prime is 670703987. The next prime is 670704031. The reversal of 670704027 is 720407076.

It is a happy number.

It is not a de Polignac number, because 670704027 - 2⁶ = 670703963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670704037) 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, 61798 + ... + 71835.

It is an arithmetic number, because the mean of its divisors is an integer number (64144320).

Almost surely, 2^670704027 is an apocalyptic number.

670704027 is a deficient number, since it is larger than the sum of its proper divisors (355605093).

670704027 is a wasteful number, since it uses less digits than its factorization.

670704027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133882.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 670704027 is about 25897.9541083847. The cubic root of 670704027 is about 875.3403963223.

The spelling of 670704027 in words is "six hundred seventy million, seven hundred four thousand, twenty-seven".