670427617 has 8 divisors (see below), whose sum is σ = 674553600. Its totient is φ = 666309600.

The previous prime is 670427609. The next prime is 670427629. The reversal of 670427617 is 716724076.

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 670427617 - 2³ = 670427609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670427617.

It is not an unprimeable number, because it can be changed into a prime (670427647) 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, 283992 + ... + 286342.

It is an arithmetic number, because the mean of its divisors is an integer number (84319200).

Almost surely, 2^670427617 is an apocalyptic number.

It is an amenable number.

670427617 is a deficient number, since it is larger than the sum of its proper divisors (4125983).

670427617 is a wasteful number, since it uses less digits than its factorization.

670427617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 670427617 is about 25892.6170365222. The cubic root of 670427617 is about 875.2201316081.

The spelling of 670427617 in words is "six hundred seventy million, four hundred twenty-seven thousand, six hundred seventeen".