670799129 has 16 divisors (see below), whose sum is σ = 900654720. Its totient is φ = 482492160.

The previous prime is 670799119. The next prime is 670799131. The reversal of 670799129 is 921997076.

It is a cyclic number.

It is not a de Polignac number, because 670799129 - 2¹² = 670795033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670799119) 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, 334064 + ... + 336065.

It is an arithmetic number, because the mean of its divisors is an integer number (56290920).

Almost surely, 2^670799129 is an apocalyptic number.

It is an amenable number.

670799129 is a deficient number, since it is larger than the sum of its proper divisors (229855591).

670799129 is a wasteful number, since it uses less digits than its factorization.

670799129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670160.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 670799129 is about 25899.7901342849. The cubic root of 670799129 is about 875.3817671230.

The spelling of 670799129 in words is "six hundred seventy million, seven hundred ninety-nine thousand, one hundred twenty-nine".