1680675 has 12 divisors (see below), whose sum is σ = 2778840. Its totient is φ = 896320.

The previous prime is 1680659. The next prime is 1680689. The reversal of 1680675 is 5760861.

It is not a de Polignac number, because 1680675 - 2⁴ = 1680659 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11130 + ... + 11279.

It is an arithmetic number, because the mean of its divisors is an integer number (231570).

2^1680675 is an apocalyptic number.

1680675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1680675 is a deficient number, since it is larger than the sum of its proper divisors (1098165).

1680675 is a wasteful number, since it uses less digits than its factorization.

1680675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22422 (or 22417 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1680675 is about 1296.4085004350. The cubic root of 1680675 is about 118.8943581429.

The spelling of 1680675 in words is "one million, six hundred eighty thousand, six hundred seventy-five".