667037 has 6 divisors (see below), whose sum is σ = 775998. Its totient is φ = 571704.

The previous prime is 667021. The next prime is 667081. The reversal of 667037 is 730766.

667037 = 29² + 30² + ... + 126².

It can be written as a sum of positive squares in only one way, i.e., 337561 + 329476 = 581^2 + 574^2 .

It is not a de Polignac number, because 667037 - 2⁴ = 667021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 667037.

It is not an unprimeable number, because it can be changed into a prime (667837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6758 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (129333).

2⁶⁶⁷⁰³⁷ is an apocalyptic number.

It is an amenable number.

667037 is a deficient number, since it is larger than the sum of its proper divisors (108961).

667037 is a wasteful number, since it uses less digits than its factorization.

667037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13627 (or 13620 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 667037 is about 816.7233313675. The cubic root of 667037 is about 87.3742192776.

The spelling of 667037 in words is "six hundred sixty-seven thousand, thirty-seven".