670761328 has 40 divisors (see below), whose sum is σ = 1365198336. Its totient is φ = 318648000.

The previous prime is 670761277. The next prime is 670761337. The reversal of 670761328 is 823167076.

670761328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 49533 + ... + 61603.

Almost surely, 2^670761328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670761328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682599168).

670761328 is an abundant number, since it is smaller than the sum of its proper divisors (694437008).

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

670761328 is a wasteful number, since it uses less digits than its factorization.

670761328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12253 (or 12247 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 670761328 is about 25899.0603690559. The cubic root of 670761328 is about 875.3653235876.

The spelling of 670761328 in words is "six hundred seventy million, seven hundred sixty-one thousand, three hundred twenty-eight".