670681922 has 8 divisors (see below), whose sum is σ = 1029418896. Its totient is φ = 327542292.

The previous prime is 670681903. The next prime is 670681951. The reversal of 670681922 is 229186076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×670681922² = 899628480995228168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 670681922.

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 3 ways as a sum of consecutive naturals, for example, 3899228 + ... + 3899399.

It is an arithmetic number, because the mean of its divisors is an integer number (128677362).

Almost surely, 2^670681922 is an apocalyptic number.

670681922 is a deficient number, since it is larger than the sum of its proper divisors (358736974).

670681922 is a wasteful number, since it uses less digits than its factorization.

670681922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7798672.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 670681922 is about 25897.5273337050. The cubic root of 670681922 is about 875.3307797546.

The spelling of 670681922 in words is "six hundred seventy million, six hundred eighty-one thousand, nine hundred twenty-two".