705713880 has 128 divisors (see below), whose sum is σ = 2166379200. Its totient is φ = 183859200.

The previous prime is 705713863. The next prime is 705713887. The reversal of 705713880 is 88317507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705713887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1676070 + ... + 1676490.

Almost surely, 2^705713880 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 705713880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1083189600).

705713880 is an abundant number, since it is smaller than the sum of its proper divisors (1460665320).

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

705713880 is a wasteful number, since it uses less digits than its factorization.

705713880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 705713880 is about 26565.2758314308. The cubic root of 705713880 is about 890.3133517669.

The spelling of 705713880 in words is "seven hundred five million, seven hundred thirteen thousand, eight hundred eighty".