670545330 has 64 divisors (see below), whose sum is σ = 1980695808. Its totient is φ = 141477120.

The previous prime is 670545329. The next prime is 670545349. The reversal of 670545330 is 33545076.

It is a junction number, because it is equal to n+sod(n) for n = 670545291 and 670545300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120081 + ... + 125540.

It is an arithmetic number, because the mean of its divisors is an integer number (30948372).

Almost surely, 2^670545330 is an apocalyptic number.

670545330 is an abundant number, since it is smaller than the sum of its proper divisors (1310150478).

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

670545330 is a wasteful number, since it uses less digits than its factorization.

670545330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245651.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 670545330 is about 25894.8900364531. The cubic root of 670545330 is about 875.2713520310.

The spelling of 670545330 in words is "six hundred seventy million, five hundred forty-five thousand, three hundred thirty".