670536 has 48 divisors (see below), whose sum is σ = 1856400. Its totient is φ = 218592.

The previous prime is 670517. The next prime is 670541. The reversal of 670536 is 635076.

It is an unprimeable number.

670536 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4755 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (38675).

2⁶⁷⁰⁵³⁶ 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 670536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928200).

670536 is an abundant number, since it is smaller than the sum of its proper divisors (1185864).

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

670536 is a wasteful number, since it uses less digits than its factorization.

670536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 670536 is about 818.8626258415. The cubic root of 670536 is about 87.5267292490.

The spelling of 670536 in words is "six hundred seventy thousand, five hundred thirty-six".