670634608 has 30 divisors (see below), whose sum is σ = 1485583736. Its totient is φ = 287297376.

The previous prime is 670634603. The next prime is 670634611. The reversal of 670634608 is 806436076.

670634608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670634603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 272841 + ... + 275287.

Almost surely, 2^670634608 is an apocalyptic number.

It is an amenable number.

670634608 is an abundant number, since it is smaller than the sum of its proper divisors (814949128).

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

670634608 is an frugal number, since it uses more digits than its factorization.

670634608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909 (or 2456 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 670634608 is about 25896.6138327002. The cubic root of 670634608 is about 875.3101955436.

Multiplying 670634608 by its product of nonzero digits (145152), we get a square (97343954620416 = 9866304²).

It can be divided in two parts, 6706 and 34608, that added together give a palindrome (41314).

The spelling of 670634608 in words is "six hundred seventy million, six hundred thirty-four thousand, six hundred eight".