670700039 has 2 divisors, whose sum is σ = 670700040. Its totient is φ = 670700038.

The previous prime is 670700027. The next prime is 670700047. The reversal of 670700039 is 930007076.

670700039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670700039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 670699978 and 670700014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670700059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335350019 + 335350020.

It is an arithmetic number, because the mean of its divisors is an integer number (335350020).

Almost surely, 2^670700039 is an apocalyptic number.

670700039 is a deficient number, since it is larger than the sum of its proper divisors (1).

670700039 is an equidigital number, since it uses as much as digits as its factorization.

670700039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 670700039 is about 25897.8771137713. The cubic root of 670700039 is about 875.3386613968.

The spelling of 670700039 in words is "six hundred seventy million, seven hundred thousand, thirty-nine".