706143856 has 40 divisors (see below), whose sum is σ = 1506265200. Its totient is φ = 318021120.

The previous prime is 706143833. The next prime is 706143863. The reversal of 706143856 is 658341607.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780 + ... + 37588.

It is an arithmetic number, because the mean of its divisors is an integer number (37656630).

Almost surely, 2^706143856 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 706143856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753132600).

706143856 is an abundant number, since it is smaller than the sum of its proper divisors (800121344).

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

706143856 is a wasteful number, since it uses less digits than its factorization.

706143856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36937 (or 36931 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 706143856 is about 26573.3674192790. The cubic root of 706143856 is about 890.4941311943.

The spelling of 706143856 in words is "seven hundred six million, one hundred forty-three thousand, eight hundred fifty-six".