667030 has 32 divisors (see below), whose sum is σ = 1479744. Its totient is φ = 210816.

The previous prime is 667021. The next prime is 667081. The reversal of 667030 is 30766.

It is a happy number.

667030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 666992 and 667010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (46242).

2⁶⁶⁷⁰³⁰ is an apocalyptic number.

667030 is an abundant number, since it is smaller than the sum of its proper divisors (812714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667030 is a wasteful number, since it uses less digits than its factorization.

667030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 667030 is about 816.7190459393. The cubic root of 667030 is about 87.3739136366.

Adding to 667030 its reverse (30766), we get a palindrome (697796).

The spelling of 667030 in words is "six hundred sixty-seven thousand, thirty".