670549330 has 48 divisors (see below), whose sum is σ = 1396563840. Its totient is φ = 230994720.

The previous prime is 670549289. The next prime is 670549331. The reversal of 670549330 is 33945076.

It is a self number, because there is not a number n which added to its sum of digits gives 670549330.

It is not an unprimeable number, because it can be changed into a prime (670549331) 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, 8407 + ... + 37573.

It is an arithmetic number, because the mean of its divisors is an integer number (29095080).

Almost surely, 2^670549330 is an apocalyptic number.

670549330 is an abundant number, since it is smaller than the sum of its proper divisors (726014510).

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

670549330 is a wasteful number, since it uses less digits than its factorization.

670549330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29215 (or 29204 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 670549330 is about 25894.9672716534. The cubic root of 670549330 is about 875.2730924445.

The spelling of 670549330 in words is "six hundred seventy million, five hundred forty-nine thousand, three hundred thirty".