706456655 has 4 divisors (see below), whose sum is σ = 847747992. Its totient is φ = 565165320.

The previous prime is 706456633. The next prime is 706456679. The reversal of 706456655 is 556654607.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 706456655 - 2⁶ = 706456591 is a prime.

It is a Duffinian 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, 70645661 + ... + 70645670.

It is an arithmetic number, because the mean of its divisors is an integer number (211936998).

Almost surely, 2^706456655 is an apocalyptic number.

706456655 is a deficient number, since it is larger than the sum of its proper divisors (141291337).

706456655 is a wasteful number, since it uses less digits than its factorization.

706456655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141291336.

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 706456655 is about 26579.2523408767. The cubic root of 706456655 is about 890.6255985304.

The spelling of 706456655 in words is "seven hundred six million, four hundred fifty-six thousand, six hundred fifty-five".