706271478727 has 4 divisors (see below), whose sum is σ = 706400436456. Its totient is φ = 706142521000.

The previous prime is 706271478667. The next prime is 706271478793. The reversal of 706271478727 is 727874172607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 727874172607 = 67 ⋅10863793621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706271478727 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706271478127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64470649 + ... + 64481602.

It is an arithmetic number, because the mean of its divisors is an integer number (176600109114).

Almost surely, 2^706271478727 is an apocalyptic number.

706271478727 is a deficient number, since it is larger than the sum of its proper divisors (128957729).

706271478727 is a wasteful number, since it uses less digits than its factorization.

706271478727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128957728.

The product of its (nonzero) digits is 12907776, while the sum is 58.

The spelling of 706271478727 in words is "seven hundred six billion, two hundred seventy-one million, four hundred seventy-eight thousand, seven hundred twenty-seven".