708749 has 4 divisors (see below), whose sum is σ = 712320. Its totient is φ = 705180.

The previous prime is 708733. The next prime is 708751. The reversal of 708749 is 947807.

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.

It is a cyclic number.

It is not a de Polignac number, because 708749 - 2⁴ = 708733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (708049) 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, 1469 + ... + 1890.

It is an arithmetic number, because the mean of its divisors is an integer number (178080).

2⁷⁰⁸⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

708749 is a deficient number, since it is larger than the sum of its proper divisors (3571).

708749 is a wasteful number, since it uses less digits than its factorization.

708749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 708749 is about 841.8723181101. The cubic root of 708749 is about 89.1587873590.

The spelling of 708749 in words is "seven hundred eight thousand, seven hundred forty-nine".