670306775 has 6 divisors (see below), whose sum is σ = 831180432. Its totient is φ = 536245400.

The previous prime is 670306759. The next prime is 670306781. The reversal of 670306775 is 577603076.

It is not a de Polignac number, because 670306775 - 2⁴ = 670306759 is a prime.

It is a super-2 number, since 2×670306775² = 898622345221801250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 13406111 + ... + 13406160.

It is an arithmetic number, because the mean of its divisors is an integer number (138530072).

Almost surely, 2^670306775 is an apocalyptic number.

670306775 is a deficient number, since it is larger than the sum of its proper divisors (160873657).

670306775 is a wasteful number, since it uses less digits than its factorization.

670306775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26812281 (or 26812276 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 41.

The square root of 670306775 is about 25890.2834090320. The cubic root of 670306775 is about 875.1675434272.

The spelling of 670306775 in words is "six hundred seventy million, three hundred six thousand, seven hundred seventy-five".