706713691673 has 4 divisors (see below), whose sum is σ = 770960390928. Its totient is φ = 642466992420.

The previous prime is 706713691661. The next prime is 706713691729. The reversal of 706713691673 is 376196317607.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 706713691673 - 2⁶ = 706713691609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706713691613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32123349611 + ... + 32123349632.

It is an arithmetic number, because the mean of its divisors is an integer number (192740097732).

Almost surely, 2^706713691673 is an apocalyptic number.

It is an amenable number.

706713691673 is a deficient number, since it is larger than the sum of its proper divisors (64246699255).

706713691673 is a wasteful number, since it uses less digits than its factorization.

706713691673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64246699254.

The product of its (nonzero) digits is 6001128, while the sum is 56.

The spelling of 706713691673 in words is "seven hundred six billion, seven hundred thirteen million, six hundred ninety-one thousand, six hundred seventy-three".