670240043 has 8 divisors (see below), whose sum is σ = 739387440. Its totient is φ = 602462080.

The previous prime is 670240037. The next prime is 670240049. The reversal of 670240043 is 340042076.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (670240037) and next prime (670240049).

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

It is not a de Polignac number, because 670240043 - 2⁶ = 670239979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670239994 and 670240021.

It is not an unprimeable number, because it can be changed into a prime (670240049) 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, 341330 + ... + 343287.

It is an arithmetic number, because the mean of its divisors is an integer number (92423430).

Almost surely, 2^670240043 is an apocalyptic number.

670240043 is a deficient number, since it is larger than the sum of its proper divisors (69147397).

670240043 is a wasteful number, since it uses less digits than its factorization.

670240043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684717.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 670240043 is about 25888.9946309238. The cubic root of 670240043 is about 875.1385001987.

The spelling of 670240043 in words is "six hundred seventy million, two hundred forty thousand, forty-three".