168704 has 18 divisors (see below), whose sum is σ = 337260. Its totient is φ = 84224.

The previous prime is 168697. The next prime is 168713. The reversal of 168704 is 407861.

It is a super-2 number, since 2×168704² = 56922079232, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74 + ... + 585.

2¹⁶⁸⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

168704 is a deficient number, since it is larger than the sum of its proper divisors (168556).

168704 is an frugal number, since it uses more digits than its factorization.

168704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 168704 is about 410.7359248958. The cubic root of 168704 is about 55.2554508248.

The spelling of 168704 in words is "one hundred sixty-eight thousand, seven hundred four".