706266720 has 72 divisors (see below), whose sum is σ = 2410140096. Its totient is φ = 188337408.

The previous prime is 706266677. The next prime is 706266731. The reversal of 706266720 is 27662607.

706266720 is a `hidden beast` number, since 7 + 0 + 626 + 6 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243792 + ... + 246671.

It is an arithmetic number, because the mean of its divisors is an integer number (33474168).

Almost surely, 2^706266720 is an apocalyptic number.

It is an amenable number.

706266720 is an abundant number, since it is smaller than the sum of its proper divisors (1703873376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

706266720 is a wasteful number, since it uses less digits than its factorization.

706266720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490484 (or 490473 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 706266720 is about 26575.6791070332. The cubic root of 706266720 is about 890.5457747441.

The spelling of 706266720 in words is "seven hundred six million, two hundred sixty-six thousand, seven hundred twenty".