706757402221 has 8 divisors (see below), whose sum is σ = 761150668824. Its totient is φ = 652368037440.

The previous prime is 706757402201. The next prime is 706757402237. The reversal of 706757402221 is 122204757607.

It can be written as a sum of positive squares in 4 ways, for example, as 64979721 + 706692422500 = 8061^2 + 840650^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 706757402221 - 2⁵ = 706757402189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706757402201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593710 + ... + 1328911.

It is an arithmetic number, because the mean of its divisors is an integer number (95143833603).

Almost surely, 2^706757402221 is an apocalyptic number.

It is an amenable number.

706757402221 is a deficient number, since it is larger than the sum of its proper divisors (54393266603).

706757402221 is a wasteful number, since it uses less digits than its factorization.

706757402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950911.

The product of its (nonzero) digits is 329280, while the sum is 43.

The spelling of 706757402221 in words is "seven hundred six billion, seven hundred fifty-seven million, four hundred two thousand, two hundred twenty-one".