708021444 has 72 divisors (see below), whose sum is σ = 1803648000. Its totient is φ = 216058752.

The previous prime is 708021439. The next prime is 708021451. The reversal of 708021444 is 444120807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256182 + ... + 258930.

Almost surely, 2^708021444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 708021444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901824000).

708021444 is an abundant number, since it is smaller than the sum of its proper divisors (1095626556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

708021444 is a wasteful number, since it uses less digits than its factorization.

708021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2909 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 708021444 is about 26608.6723456846. The cubic root of 708021444 is about 891.2826869404.

The spelling of 708021444 in words is "seven hundred eight million, twenty-one thousand, four hundred forty-four".