670013917 has 8 divisors (see below), whose sum is σ = 687479936. Its totient is φ = 652633632.

The previous prime is 670013909. The next prime is 670013921. The reversal of 670013917 is 719310076.

It is a happy number.

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 670013917 - 2³ = 670013909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670010917) 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, 5448 + ... + 37009.

It is an arithmetic number, because the mean of its divisors is an integer number (85934992).

Almost surely, 2^670013917 is an apocalyptic number.

It is an amenable number.

670013917 is a deficient number, since it is larger than the sum of its proper divisors (17466019).

670013917 is a wasteful number, since it uses less digits than its factorization.

670013917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42867.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 670013917 is about 25884.6270400019. The cubic root of 670013917 is about 875.0400708724.

The spelling of 670013917 in words is "six hundred seventy million, thirteen thousand, nine hundred seventeen".