670274245 has 16 divisors (see below), whose sum is σ = 839718000. Its totient is φ = 512967168.

The previous prime is 670274237. The next prime is 670274299. The reversal of 670274245 is 542472076.

It can be written as a sum of positive squares in 8 ways, for example, as 12967201 + 657307044 = 3601^2 + 25638^2 .

It is a cyclic number.

It is not a de Polignac number, because 670274245 - 2³ = 670274237 is a prime.

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, 5400 + ... + 37009.

It is an arithmetic number, because the mean of its divisors is an integer number (52482375).

Almost surely, 2^670274245 is an apocalyptic number.

It is an amenable number.

670274245 is a deficient number, since it is larger than the sum of its proper divisors (169443755).

670274245 is a wasteful number, since it uses less digits than its factorization.

670274245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42552.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 670274245 is about 25889.6551734472. The cubic root of 670274245 is about 875.1533858993.

The spelling of 670274245 in words is "six hundred seventy million, two hundred seventy-four thousand, two hundred forty-five".