1682730 has 48 divisors (see below), whose sum is σ = 5001984. Its totient is φ = 384480.

The previous prime is 1682717. The next prime is 1682753. The reversal of 1682730 is 372861.

It is a junction number, because it is equal to n+sod(n) for n = 1682694 and 1682703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706 + ... + 1965.

It is an arithmetic number, because the mean of its divisors is an integer number (104208).

2^1682730 is an apocalyptic number.

1682730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1682730 is an abundant number, since it is smaller than the sum of its proper divisors (3319254).

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

1682730 is a wasteful number, since it uses less digits than its factorization.

1682730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1682730 is about 1297.2008325622. The cubic root of 1682730 is about 118.9427966953.

The spelling of 1682730 in words is "one million, six hundred eighty-two thousand, seven hundred thirty".