670507506 has 48 divisors (see below), whose sum is σ = 1564336800. Its totient is φ = 206784384.

The previous prime is 670507483. The next prime is 670507507. The reversal of 670507506 is 605705076.

It is not an unprimeable number, because it can be changed into a prime (670507507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 516 + ... + 36623.

It is an arithmetic number, because the mean of its divisors is an integer number (32590350).

Almost surely, 2^670507506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670507506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782168400).

670507506 is an abundant number, since it is smaller than the sum of its proper divisors (893829294).

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

670507506 is a wasteful number, since it uses less digits than its factorization.

670507506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37223 (or 37220 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 670507506 is about 25894.1596890110. The cubic root of 670507506 is about 875.2548943387.

The spelling of 670507506 in words is "six hundred seventy million, five hundred seven thousand, five hundred six".