670216712 has 32 divisors (see below), whose sum is σ = 1390219200. Its totient is φ = 300350400.

The previous prime is 670216669. The next prime is 670216727. The reversal of 670216712 is 217612076.

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, 47387 + ... + 59882.

It is an arithmetic number, because the mean of its divisors is an integer number (43444350).

Almost surely, 2^670216712 is an apocalyptic number.

It is an amenable number.

670216712 is an abundant number, since it is smaller than the sum of its proper divisors (720002488).

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

670216712 is a wasteful number, since it uses less digits than its factorization.

670216712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107357 (or 107353 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 670216712 is about 25888.5440301304. The cubic root of 670216712 is about 875.1283455814.

Adding to 670216712 its reverse (217612076), we get a palindrome (887828788).

The spelling of 670216712 in words is "six hundred seventy million, two hundred sixteen thousand, seven hundred twelve".