670340667 has 8 divisors (see below), whose sum is σ = 898467840. Its totient is φ = 444553640.

The previous prime is 670340663. The next prime is 670340687. The reversal of 670340667 is 766043076.

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

It is a cyclic number.

It is not a de Polignac number, because 670340667 - 2² = 670340663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670340663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584367 + ... + 585512.

It is an arithmetic number, because the mean of its divisors is an integer number (112308480).

Almost surely, 2^670340667 is an apocalyptic number.

670340667 is a deficient number, since it is larger than the sum of its proper divisors (228127173).

670340667 is a wasteful number, since it uses less digits than its factorization.

670340667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170073.

The product of its (nonzero) digits is 127008, while the sum is 39.

The square root of 670340667 is about 25890.9379320256. The cubic root of 670340667 is about 875.1822932302.

The spelling of 670340667 in words is "six hundred seventy million, three hundred forty thousand, six hundred sixty-seven".