670303530 has 48 divisors (see below), whose sum is σ = 1876853160. Its totient is φ = 164997504.

The previous prime is 670303511. The next prime is 670303531. The reversal of 670303530 is 35303076.

It can be written as a sum of positive squares in 4 ways, for example, as 388365849 + 281937681 = 19707^2 + 16791^2 .

It is a junction number, because it is equal to n+sod(n) for n = 670303494 and 670303503.

It is not an unprimeable number, because it can be changed into a prime (670303531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 285285 + ... + 287624.

Almost surely, 2^670303530 is an apocalyptic number.

670303530 is an abundant number, since it is smaller than the sum of its proper divisors (1206549630).

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

670303530 is a wasteful number, since it uses less digits than its factorization.

670303530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572935 (or 572932 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 670303530 is about 25890.2207406580. The cubic root of 670303530 is about 875.1661311767.

The spelling of 670303530 in words is "six hundred seventy million, three hundred three thousand, five hundred thirty".