670212270 has 384 divisors, whose sum is σ = 2327270400. Its totient is φ = 129890304.

The previous prime is 670212253. The next prime is 670212317. The reversal of 670212270 is 72212076.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9180954 + ... + 9181026.

It is an arithmetic number, because the mean of its divisors is an integer number (6060600).

Almost surely, 2^670212270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670212270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163635200).

670212270 is an abundant number, since it is smaller than the sum of its proper divisors (1657058130).

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

670212270 is a wasteful number, since it uses less digits than its factorization.

670212270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 670212270 is about 25888.4582391459. The cubic root of 670212270 is about 875.1264122124.

The spelling of 670212270 in words is "six hundred seventy million, two hundred twelve thousand, two hundred seventy".