670978512 has 40 divisors (see below), whose sum is σ = 1925958080. Its totient is φ = 223659360.

The previous prime is 670978501. The next prime is 670978513. The reversal of 670978512 is 215879076.

670978512 is a `hidden beast` number, since 67 + 0 + 9 + 78 + 512 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670978513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776164 + ... + 777027.

It is an arithmetic number, because the mean of its divisors is an integer number (48148952).

Almost surely, 2^670978512 is an apocalyptic number.

It is an amenable number.

670978512 is an abundant number, since it is smaller than the sum of its proper divisors (1254979568).

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

670978512 is a wasteful number, since it uses less digits than its factorization.

670978512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553208 (or 1553196 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 670978512 is about 25903.2529231369. The cubic root of 670978512 is about 875.4597907844.

The spelling of 670978512 in words is "six hundred seventy million, nine hundred seventy-eight thousand, five hundred twelve".