670117825 has 24 divisors (see below), whose sum is σ = 899942400. Its totient is φ = 492048960.

The previous prime is 670117823. The next prime is 670117829. The reversal of 670117825 is 528711076.

It is not a de Polignac number, because 670117825 - 2¹ = 670117823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670117823) 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 23 ways as a sum of consecutive naturals, for example, 52416 + ... + 63934.

It is an arithmetic number, because the mean of its divisors is an integer number (37497600).

Almost surely, 2^670117825 is an apocalyptic number.

670117825 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

670117825 is a deficient number, since it is larger than the sum of its proper divisors (229824575).

670117825 is a wasteful number, since it uses less digits than its factorization.

670117825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11721 (or 11716 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The square root of 670117825 is about 25886.6340994730. The cubic root of 670117825 is about 875.0853032482.

The spelling of 670117825 in words is "six hundred seventy million, one hundred seventeen thousand, eight hundred twenty-five".