667713 has 8 divisors (see below), whose sum is σ = 929088. Its totient is φ = 425744.

The previous prime is 667699. The next prime is 667727. The reversal of 667713 is 317766.

It is an interprime number because it is at equal distance from previous prime (667699) and next prime (667727).

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 667713 - 2⁴ = 667697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667753) 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, 4770 + ... + 4907.

It is an arithmetic number, because the mean of its divisors is an integer number (116136).

2⁶⁶⁷⁷¹³ is an apocalyptic number.

It is an amenable number.

667713 is a deficient number, since it is larger than the sum of its proper divisors (261375).

667713 is a wasteful number, since it uses less digits than its factorization.

667713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703.

The product of its digits is 5292, while the sum is 30.

The square root of 667713 is about 817.1370754041. The cubic root of 667713 is about 87.4037254022.

The spelling of 667713 in words is "six hundred sixty-seven thousand, seven hundred thirteen".