670940112 has 40 divisors (see below), whose sum is σ = 1744759360. Its totient is φ = 222163200.

The previous prime is 670940057. The next prime is 670940119. The reversal of 670940112 is 211049076.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 670940112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670940119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39037 + ... + 53532.

It is an arithmetic number, because the mean of its divisors is an integer number (43618984).

Almost surely, 2^670940112 is an apocalyptic number.

It is an amenable number.

670940112 is an abundant number, since it is smaller than the sum of its proper divisors (1073819248).

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

670940112 is a wasteful number, since it uses less digits than its factorization.

670940112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92731 (or 92725 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 670940112 is about 25902.5116928841. The cubic root of 670940112 is about 875.4430896548.

Adding to 670940112 its reverse (211049076), we get a palindrome (881989188).

The spelling of 670940112 in words is "six hundred seventy million, nine hundred forty thousand, one hundred twelve".