705725 has 6 divisors (see below), whose sum is σ = 875130. Its totient is φ = 564560.

The previous prime is 705713. The next prime is 705737. The reversal of 705725 is 527507.

705725 = T₂₂₅ + T₂₂₆ + ... + T₂₄₉.

It is an interprime number because it is at equal distance from previous prime (705713) and next prime (705737).

It can be written as a sum of positive squares in 3 ways, for example, as 3481 + 702244 = 59^2 + 838^2 .

It is not a de Polignac number, because 705725 - 2¹² = 701629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 705694 and 705703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14090 + ... + 14139.

It is an arithmetic number, because the mean of its divisors is an integer number (145855).

2⁷⁰⁵⁷²⁵ is an apocalyptic number.

It is an amenable number.

705725 is a deficient number, since it is larger than the sum of its proper divisors (169405).

705725 is a wasteful number, since it uses less digits than its factorization.

705725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28239 (or 28234 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 705725 is about 840.0744014669. The cubic root of 705725 is about 89.0318027993.

The spelling of 705725 in words is "seven hundred five thousand, seven hundred twenty-five".