670705160 has 32 divisors (see below), whose sum is σ = 1510234200. Its totient is φ = 268078080.

The previous prime is 670705159. The next prime is 670705177. The reversal of 670705160 is 61507076.

It can be written as a sum of positive squares in 4 ways, for example, as 622901764 + 47803396 = 24958^2 + 6914^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53930 + ... + 65190.

Almost surely, 2^670705160 is an apocalyptic number.

It is an amenable number.

670705160 is an abundant number, since it is smaller than the sum of its proper divisors (839529040).

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

670705160 is a wasteful number, since it uses less digits than its factorization.

670705160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761 (or 12757 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 670705160 is about 25897.9759826902. The cubic root of 670705160 is about 875.3408892173.

The spelling of 670705160 in words is "six hundred seventy million, seven hundred five thousand, one hundred sixty".