705577 has 4 divisors (see below), whose sum is σ = 716176. Its totient is φ = 694980.

The previous prime is 705559. The next prime is 705613. The reversal of 705577 is 775507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705277) 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, 5199 + ... + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (179044).

2⁷⁰⁵⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

705577 is a deficient number, since it is larger than the sum of its proper divisors (10599).

705577 is a wasteful number, since it uses less digits than its factorization.

705577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10598.

The product of its (nonzero) digits is 8575, while the sum is 31.

The square root of 705577 is about 839.9863094122. The cubic root of 705577 is about 89.0255786430.

The spelling of 705577 in words is "seven hundred five thousand, five hundred seventy-seven".