670700129 has 16 divisors (see below), whose sum is σ = 745749504. Its totient is φ = 598089600.

The previous prime is 670700119. The next prime is 670700161. The reversal of 670700129 is 921007076.

670700129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-670700129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 670700095 and 670700104.

It is not an unprimeable number, because it can be changed into a prime (670700119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151187 + ... + 155559.

It is an arithmetic number, because the mean of its divisors is an integer number (46609344).

Almost surely, 2^670700129 is an apocalyptic number.

It is an amenable number.

670700129 is a deficient number, since it is larger than the sum of its proper divisors (75049375).

670700129 is a wasteful number, since it uses less digits than its factorization.

670700129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 670700129 is about 25897.8788513654. The cubic root of 670700129 is about 875.3387005502.

The spelling of 670700129 in words is "six hundred seventy million, seven hundred thousand, one hundred twenty-nine".