670538860 has 12 divisors (see below), whose sum is σ = 1408131648. Its totient is φ = 268215536.

The previous prime is 670538857. The next prime is 670538863. The reversal of 670538860 is 68835076.

It is an interprime number because it is at equal distance from previous prime (670538857) and next prime (670538863).

It is not an unprimeable number, because it can be changed into a prime (670538863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16763452 + ... + 16763491.

It is an arithmetic number, because the mean of its divisors is an integer number (117344304).

Almost surely, 2^670538860 is an apocalyptic number.

It is an amenable number.

670538860 is an abundant number, since it is smaller than the sum of its proper divisors (737592788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670538860 is a wasteful number, since it uses less digits than its factorization.

670538860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33526952 (or 33526950 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 670538860 is about 25894.7651080291. The cubic root of 670538860 is about 875.2685368975.

The spelling of 670538860 in words is "six hundred seventy million, five hundred thirty-eight thousand, eight hundred sixty".