670672617 has 8 divisors (see below), whose sum is σ = 933109824. Its totient is φ = 427675248.

The previous prime is 670672609. The next prime is 670672643. The reversal of 670672617 is 716276076.

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

It is not a de Polignac number, because 670672617 - 2³ = 670672609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670672687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4859878 + ... + 4860015.

It is an arithmetic number, because the mean of its divisors is an integer number (116638728).

Almost surely, 2^670672617 is an apocalyptic number.

It is an amenable number.

670672617 is a deficient number, since it is larger than the sum of its proper divisors (262437207).

670672617 is a wasteful number, since it uses less digits than its factorization.

670672617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9719919.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 670672617 is about 25897.3476827261. The cubic root of 670672617 is about 875.3267316406.

The spelling of 670672617 in words is "six hundred seventy million, six hundred seventy-two thousand, six hundred seventeen".