708671 has 4 divisors (see below), whose sum is σ = 711144. Its totient is φ = 706200.

The previous prime is 708667. The next prime is 708689. The reversal of 708671 is 176807.

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 708671 - 2² = 708667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 740 + ... + 1401.

It is an arithmetic number, because the mean of its divisors is an integer number (177786).

2⁷⁰⁸⁶⁷¹ is an apocalyptic number.

708671 is a deficient number, since it is larger than the sum of its proper divisors (2473).

708671 is a wasteful number, since it uses less digits than its factorization.

708671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 708671 is about 841.8259915208. The cubic root of 708671 is about 89.1555165064.

The spelling of 708671 in words is "seven hundred eight thousand, six hundred seventy-one".