706046721 has 24 divisors (see below), whose sum is σ = 963947520. Its totient is φ = 459650016.

The previous prime is 706046717. The next prime is 706046749. The reversal of 706046721 is 127640607.

It is not a de Polignac number, because 706046721 - 2² = 706046717 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (706046221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2624575 + ... + 2624843.

It is an arithmetic number, because the mean of its divisors is an integer number (40164480).

Almost surely, 2^706046721 is an apocalyptic number.

It is an amenable number.

706046721 is a deficient number, since it is larger than the sum of its proper divisors (257900799).

706046721 is a wasteful number, since it uses less digits than its factorization.

706046721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 706046721 is about 26571.5396806433. The cubic root of 706046721 is about 890.4532981010.

The spelling of 706046721 in words is "seven hundred six million, forty-six thousand, seven hundred twenty-one".