670606240 has 48 divisors (see below), whose sum is σ = 1590298920. Its totient is φ = 267228160.

The previous prime is 670606187. The next prime is 670606271. The reversal of 670606240 is 42606076.

670606240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 307932304 + 362673936 = 17548^2 + 19044^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35250 + ... + 50830.

Almost surely, 2^670606240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670606240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795149460).

670606240 is an abundant number, since it is smaller than the sum of its proper divisors (919692680).

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

670606240 is a wasteful number, since it uses less digits than its factorization.

670606240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15865 (or 15857 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 670606240 is about 25896.0661105118. The cubic root of 670606240 is about 875.2978534280.

The spelling of 670606240 in words is "six hundred seventy million, six hundred six thousand, two hundred forty".