670256472 has 64 divisors (see below), whose sum is σ = 1735603200. Its totient is φ = 215559680.

The previous prime is 670256459. The next prime is 670256491. The reversal of 670256472 is 274652076.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 670256472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75904 + ... + 84272.

It is an arithmetic number, because the mean of its divisors is an integer number (27118800).

Almost surely, 2^670256472 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 670256472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (867801600).

670256472 is an abundant number, since it is smaller than the sum of its proper divisors (1065346728).

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

670256472 is a wasteful number, since it uses less digits than its factorization.

670256472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8496 (or 8492 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 670256472 is about 25889.3119259667. The cubic root of 670256472 is about 875.1456506383.

The spelling of 670256472 in words is "six hundred seventy million, two hundred fifty-six thousand, four hundred seventy-two".