705644725 has 12 divisors (see below), whose sum is σ = 879586560. Its totient is φ = 561556400.

The previous prime is 705644717. The next prime is 705644729. The reversal of 705644725 is 527446507.

It is not a de Polignac number, because 705644725 - 2³ = 705644717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705644729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69115 + ... + 78664.

It is an arithmetic number, because the mean of its divisors is an integer number (73298880).

Almost surely, 2^705644725 is an apocalyptic number.

It is an amenable number.

705644725 is a deficient number, since it is larger than the sum of its proper divisors (173941835).

705644725 is a wasteful number, since it uses less digits than its factorization.

705644725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147980 (or 147975 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 40.

The square root of 705644725 is about 26563.9741943859. The cubic root of 705644725 is about 890.2842693334.

The spelling of 705644725 in words is "seven hundred five million, six hundred forty-four thousand, seven hundred twenty-five".