708613 has 4 divisors (see below), whose sum is σ = 710368. Its totient is φ = 706860.

The previous prime is 708601. The next prime is 708641. The reversal of 708613 is 316807.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 316807 = 41 ⋅7727.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-708613 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 (708913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70 + ... + 1192.

It is an arithmetic number, because the mean of its divisors is an integer number (177592).

2⁷⁰⁸⁶¹³ is an apocalyptic number.

It is an amenable number.

708613 is a deficient number, since it is larger than the sum of its proper divisors (1755).

708613 is a wasteful number, since it uses less digits than its factorization.

708613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 708613 is about 841.7915418915. The cubic root of 708613 is about 89.1530841783.

The spelling of 708613 in words is "seven hundred eight thousand, six hundred thirteen".