705617240 has 16 divisors (see below), whose sum is σ = 1587638880. Its totient is φ = 282246880.

The previous prime is 705617239. The next prime is 705617243. The reversal of 705617240 is 42716507.

705617240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 705617197 and 705617206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705617243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8820176 + ... + 8820255.

It is an arithmetic number, because the mean of its divisors is an integer number (99227430).

Almost surely, 2^705617240 is an apocalyptic number.

It is an amenable number.

705617240 is an abundant number, since it is smaller than the sum of its proper divisors (882021640).

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

705617240 is a wasteful number, since it uses less digits than its factorization.

705617240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17640442 (or 17640438 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 705617240 is about 26563.4568533540. The cubic root of 705617240 is about 890.2727102678.

The spelling of 705617240 in words is "seven hundred five million, six hundred seventeen thousand, two hundred forty".