670667000 has 64 divisors (see below), whose sum is σ = 1661718240. Its totient is φ = 252480000.

The previous prime is 670666999. The next prime is 670667009. The reversal of 670667000 is 766076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670667009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2726 + ... + 36725.

Almost surely, 2^670667000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670667000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (830859120).

670667000 is an abundant number, since it is smaller than the sum of its proper divisors (991051240).

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

670667000 is a wasteful number, since it uses less digits than its factorization.

670667000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39489 (or 39475 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 670667000 is about 25897.2392350999. The cubic root of 670667000 is about 875.3242879625.

The spelling of 670667000 in words is "six hundred seventy million, six hundred sixty-seven thousand".