1705671 has 16 divisors (see below), whose sum is σ = 2757120. Its totient is φ = 1033560.

The previous prime is 1705667. The next prime is 1705679. The reversal of 1705671 is 1765071.

It is not a de Polignac number, because 1705671 - 2² = 1705667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1705679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2575 + ... + 3168.

It is an arithmetic number, because the mean of its divisors is an integer number (172320).

2^1705671 is an apocalyptic number.

1705671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1705671 is a deficient number, since it is larger than the sum of its proper divisors (1051449).

1705671 is a wasteful number, since it uses less digits than its factorization.

1705671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763 (or 5757 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 1705671 is about 1306.0133996250. The cubic root of 1705671 is about 119.4808825472.

The spelling of 1705671 in words is "one million, seven hundred five thousand, six hundred seventy-one".