667010 has 8 divisors (see below), whose sum is σ = 1200636. Its totient is φ = 266800.

The previous prime is 666989. The next prime is 667013. The reversal of 667010 is 10766.

It can be written as a sum of positive squares in 2 ways, for example, as 644809 + 22201 = 803^2 + 149^2 .

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

It is not an unprimeable number, because it can be changed into a prime (667013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33341 + ... + 33360.

2⁶⁶⁷⁰¹⁰ is an apocalyptic number.

667010 is a deficient number, since it is larger than the sum of its proper divisors (533626).

667010 is a wasteful number, since it uses less digits than its factorization.

667010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66708.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 667010 is about 816.7068017349. The cubic root of 667010 is about 87.3730403646.

Adding to 667010 its reverse (10766), we get a palindrome (677776).

The spelling of 667010 in words is "six hundred sixty-seven thousand, ten".