1680674035 has 4 divisors (see below), whose sum is σ = 2016808848. Its totient is φ = 1344539224.

The previous prime is 1680673997. The next prime is 1680674041. The reversal of 1680674035 is 5304760861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1680674035 - 2¹¹ = 1680671987 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168067399 + ... + 168067408.

It is an arithmetic number, because the mean of its divisors is an integer number (504202212).

Almost surely, 2^1680674035 is an apocalyptic number.

1680674035 is a deficient number, since it is larger than the sum of its proper divisors (336134813).

1680674035 is an equidigital number, since it uses as much as digits as its factorization.

1680674035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336134812.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1680674035 is about 40996.0246243462. The cubic root of 1680674035 is about 1188.9433538759.

The spelling of 1680674035 in words is "one billion, six hundred eighty million, six hundred seventy-four thousand, thirty-five".