670658912 has 48 divisors (see below), whose sum is σ = 1646168832. Its totient is φ = 261294720.

The previous prime is 670658881. The next prime is 670658921. The reversal of 670658912 is 219856076.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 133628 + ... + 138555.

It is an arithmetic number, because the mean of its divisors is an integer number (34295184).

Almost surely, 2^670658912 is an apocalyptic number.

It is an amenable number.

670658912 is an abundant number, since it is smaller than the sum of its proper divisors (975509920).

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

670658912 is a wasteful number, since it uses less digits than its factorization.

670658912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272211 (or 272203 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 670658912 is about 25897.0830789879. The cubic root of 670658912 is about 875.3207692509.

The spelling of 670658912 in words is "six hundred seventy million, six hundred fifty-eight thousand, nine hundred twelve".