706651240 has 48 divisors (see below), whose sum is σ = 1689021900. Its totient is φ = 266029056.

The previous prime is 706651217. The next prime is 706651243. The reversal of 706651240 is 42156607.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 321628356 + 385022884 = 17934^2 + 19622^2 .

It is not an unprimeable number, because it can be changed into a prime (706651243) 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 11 ways as a sum of consecutive naturals, for example, 19005 + ... + 42124.

Almost surely, 2^706651240 is an apocalyptic number.

It is an amenable number.

706651240 is an abundant number, since it is smaller than the sum of its proper divisors (982370660).

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

706651240 is a wasteful number, since it uses less digits than its factorization.

706651240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61174 (or 61153 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 706651240 is about 26582.9125567534. The cubic root of 706651240 is about 890.7073617318.

The spelling of 706651240 in words is "seven hundred six million, six hundred fifty-one thousand, two hundred forty".