706840821052 has 12 divisors (see below), whose sum is σ = 1238245358616. Its totient is φ = 353056432880.

The previous prime is 706840820999. The next prime is 706840821091. The reversal of 706840821052 is 250128048607.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90990043 + ... + 90997810.

It is an arithmetic number, because the mean of its divisors is an integer number (103187113218).

Almost surely, 2^706840821052 is an apocalyptic number.

It is an amenable number.

706840821052 is a deficient number, since it is larger than the sum of its proper divisors (531404537564).

706840821052 is a wasteful number, since it uses less digits than its factorization.

706840821052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181988828 (or 181988826 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

Adding to 706840821052 its reverse (250128048607), we get a palindrome (956968869659).

The spelling of 706840821052 in words is "seven hundred six billion, eight hundred forty million, eight hundred twenty-one thousand, fifty-two".