670066704 has 60 divisors (see below), whose sum is σ = 1910660076. Its totient is φ = 219138816.

The previous prime is 670066697. The next prime is 670066739. The reversal of 670066704 is 407660076.

It can be written as a sum of positive squares in 2 ways, for example, as 455737104 + 214329600 = 21348^2 + 14640^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36267 + ... + 51530.

Almost surely, 2^670066704 is an apocalyptic number.

It is an amenable number.

670066704 is an abundant number, since it is smaller than the sum of its proper divisors (1240593372).

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

670066704 is a wasteful number, since it uses less digits than its factorization.

670066704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87864 (or 87855 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 670066704 is about 25885.6466791927. The cubic root of 670066704 is about 875.0630502594.

The spelling of 670066704 in words is "six hundred seventy million, sixty-six thousand, seven hundred four".