705715712 has 80 divisors (see below), whose sum is σ = 1528443840. Its totient is φ = 323592192.

The previous prime is 705715691. The next prime is 705715729. The reversal of 705715712 is 217517507.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523993 + ... + 1524455.

It is an arithmetic number, because the mean of its divisors is an integer number (19105548).

Almost surely, 2^705715712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705715712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764221920).

705715712 is an abundant number, since it is smaller than the sum of its proper divisors (822728128).

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

705715712 is a wasteful number, since it uses less digits than its factorization.

705715712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 17150, while the sum is 35.

The square root of 705715712 is about 26565.3103125109. The cubic root of 705715712 is about 890.3141221701.

The spelling of 705715712 in words is "seven hundred five million, seven hundred fifteen thousand, seven hundred twelve".