670307243 has 8 divisors (see below), whose sum is σ = 680470848. Its totient is φ = 660170304.

The previous prime is 670307233. The next prime is 670307249. The reversal of 670307243 is 342703076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670307243 - 2⁴ = 670307227 is a prime.

It is a super-2 number, since 2×670307243² = 898623600036522098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670307249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 47246 + ... + 59772.

It is an arithmetic number, because the mean of its divisors is an integer number (85058856).

Almost surely, 2^670307243 is an apocalyptic number.

670307243 is a deficient number, since it is larger than the sum of its proper divisors (10163605).

670307243 is a wasteful number, since it uses less digits than its factorization.

670307243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 670307243 is about 25890.2924471702. The cubic root of 670307243 is about 875.1677471043.

The spelling of 670307243 in words is "six hundred seventy million, three hundred seven thousand, two hundred forty-three".