1682071 has 4 divisors (see below), whose sum is σ = 1686312. Its totient is φ = 1677832.

The previous prime is 1682069. The next prime is 1682081. The reversal of 1682071 is 1702861.

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 1682071 - 2¹ = 1682069 is a prime.

It is a Duffinian number.

1682071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1682081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456 + ... + 2341.

It is an arithmetic number, because the mean of its divisors is an integer number (421578).

2^1682071 is an apocalyptic number.

1682071 is a deficient number, since it is larger than the sum of its proper divisors (4241).

1682071 is an equidigital number, since it uses as much as digits as its factorization.

1682071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1682071 is about 1296.9467992173. The cubic root of 1682071 is about 118.9272676566.

The spelling of 1682071 in words is "one million, six hundred eighty-two thousand, seventy-one".