669070707 has 8 divisors (see below), whose sum is σ = 895796880. Its totient is φ = 444195840.

The previous prime is 669070697. The next prime is 669070733. The reversal of 669070707 is 707070966.

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

It is not a de Polignac number, because 669070707 - 2¹⁶ = 669005171 is a prime.

It is a super-2 number, since 2×669070707² = 895311221930959698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (669070607) 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, 461982 + ... + 463427.

It is an arithmetic number, because the mean of its divisors is an integer number (111974610).

Almost surely, 2^669070707 is an apocalyptic number.

669070707 is a deficient number, since it is larger than the sum of its proper divisors (226726173).

669070707 is a wasteful number, since it uses less digits than its factorization.

669070707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925653.

The product of its (nonzero) digits is 111132, while the sum is 42.

The square root of 669070707 is about 25866.4011219188. The cubic root of 669070707 is about 874.6292663998.

The spelling of 669070707 in words is "six hundred sixty-nine million, seventy thousand, seven hundred seven".