705487080 has 128 divisors (see below), whose sum is σ = 2255040000. Its totient is φ = 175951872.

The previous prime is 705487051. The next prime is 705487087. The reversal of 705487080 is 80784507.

It is not an unprimeable number, because it can be changed into a prime (705487087) 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, 351921 + ... + 353919.

It is an arithmetic number, because the mean of its divisors is an integer number (17617500).

Almost surely, 2^705487080 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 705487080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1127520000).

705487080 is an abundant number, since it is smaller than the sum of its proper divisors (1549552920).

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

705487080 is a wasteful number, since it uses less digits than its factorization.

705487080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 705487080 is about 26561.0067580278. The cubic root of 705487080 is about 890.2179662248.

The spelling of 705487080 in words is "seven hundred five million, four hundred eighty-seven thousand, eighty".