670737043 has 2 divisors, whose sum is σ = 670737044. Its totient is φ = 670737042.

The previous prime is 670737037. The next prime is 670737077. The reversal of 670737043 is 340737076.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670737043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670736993 and 670737011.

It is not a weakly prime, because it can be changed into another prime (670737343) 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 as a sum of consecutive naturals, namely, 335368521 + 335368522.

It is an arithmetic number, because the mean of its divisors is an integer number (335368522).

Almost surely, 2^670737043 is an apocalyptic number.

670737043 is a deficient number, since it is larger than the sum of its proper divisors (1).

670737043 is an equidigital number, since it uses as much as digits as its factorization.

670737043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 37.

The square root of 670737043 is about 25898.5915254093. The cubic root of 670737043 is about 875.3547592221.

The spelling of 670737043 in words is "six hundred seventy million, seven hundred thirty-seven thousand, forty-three".