670212630 has 40 divisors (see below), whose sum is σ = 1802129472. Its totient is φ = 178723152.

The previous prime is 670212629. The next prime is 670212659. The reversal of 670212630 is 36212076.

It is a happy number.

670212630 is a `hidden beast` number, since 6 + 7 + 0 + 21 + 2 + 630 = 666.

670212630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 670212594 and 670212603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 412902 + ... + 414521.

Almost surely, 2^670212630 is an apocalyptic number.

670212630 is an abundant number, since it is smaller than the sum of its proper divisors (1131916842).

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

670212630 is a wasteful number, since it uses less digits than its factorization.

670212630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827442 (or 827433 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 670212630 is about 25888.4651920503. The cubic root of 670212630 is about 875.1265689018.

The spelling of 670212630 in words is "six hundred seventy million, two hundred twelve thousand, six hundred thirty".