670468806 has 128 divisors (see below), whose sum is σ = 1819238400. Its totient is φ = 178899840.

The previous prime is 670468787. The next prime is 670468819. The reversal of 670468806 is 608864076.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 338836 + ... + 340808.

It is an arithmetic number, because the mean of its divisors is an integer number (14212800).

Almost surely, 2^670468806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670468806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909619200).

670468806 is an abundant number, since it is smaller than the sum of its proper divisors (1148769594).

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

670468806 is a wasteful number, since it uses less digits than its factorization.

670468806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 670468806 is about 25893.4124054749. The cubic root of 670468806 is about 875.2380548473.

The spelling of 670468806 in words is "six hundred seventy million, four hundred sixty-eight thousand, eight hundred six".