706140032 has 64 divisors (see below), whose sum is σ = 1547380800. Its totient is φ = 318941184.

The previous prime is 706140031. The next prime is 706140037. The reversal of 706140032 is 230041607.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×706140032² = 997267489585922048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706140031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73694 + ... + 82722.

It is an arithmetic number, because the mean of its divisors is an integer number (24177825).

Almost surely, 2^706140032 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 706140032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773690400).

706140032 is an abundant number, since it is smaller than the sum of its proper divisors (841240768).

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

706140032 is a wasteful number, since it uses less digits than its factorization.

706140032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103 (or 9091 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 706140032 is about 26573.2954674425. The cubic root of 706140032 is about 890.4925237524.

Adding to 706140032 its reverse (230041607), we get a palindrome (936181639).

The spelling of 706140032 in words is "seven hundred six million, one hundred forty thousand, thirty-two".