706880641 has 2 divisors, whose sum is σ = 706880642. Its totient is φ = 706880640.

The previous prime is 706880599. The next prime is 706880659. The reversal of 706880641 is 146088607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 555073600 + 151807041 = 23560^2 + 12321^2 .

It is a cyclic number.

It is not a de Polignac number, because 706880641 - 2¹³ = 706872449 is a prime.

It is equal to p_36590719 and since 706880641 and 36590719 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 706880594 and 706880603.

It is not a weakly prime, because it can be changed into another prime (706883641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353440320 + 353440321.

It is an arithmetic number, because the mean of its divisors is an integer number (353440321).

Almost surely, 2^706880641 is an apocalyptic number.

It is an amenable number.

706880641 is a deficient number, since it is larger than the sum of its proper divisors (1).

706880641 is an equidigital number, since it uses as much as digits as its factorization.

706880641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 706880641 is about 26587.2270272776. The cubic root of 706880641 is about 890.8037350870.

The spelling of 706880641 in words is "seven hundred six million, eight hundred eighty thousand, six hundred forty-one".