670007260 has 72 divisors (see below), whose sum is σ = 1603914480. Its totient is φ = 234344448.

The previous prime is 670007251. The next prime is 670007263. The reversal of 670007260 is 62700076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670007263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59004 + ... + 69436.

It is an arithmetic number, because the mean of its divisors is an integer number (22276590).

Almost surely, 2^670007260 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 670007260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (801957240).

670007260 is an abundant number, since it is smaller than the sum of its proper divisors (933907220).

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

670007260 is a wasteful number, since it uses less digits than its factorization.

670007260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487 (or 10472 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 670007260 is about 25884.4984498445. The cubic root of 670007260 is about 875.0371728425.

The spelling of 670007260 in words is "six hundred seventy million, seven thousand, two hundred sixty".