670461585 has 16 divisors (see below), whose sum is σ = 1109730240. Its totient is φ = 345248960.

The previous prime is 670461581. The next prime is 670461587. The reversal of 670461585 is 585164076.

It is not a de Polignac number, because 670461585 - 2² = 670461581 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (670461581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770211 + ... + 771080.

It is an arithmetic number, because the mean of its divisors is an integer number (69358140).

Almost surely, 2^670461585 is an apocalyptic number.

It is an amenable number.

670461585 is a deficient number, since it is larger than the sum of its proper divisors (439268655).

670461585 is a wasteful number, since it uses less digits than its factorization.

670461585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541328.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 670461585 is about 25893.2729680896. The cubic root of 670461585 is about 875.2349127093.

The spelling of 670461585 in words is "six hundred seventy million, four hundred sixty-one thousand, five hundred eighty-five".