706557 has 4 divisors (see below), whose sum is σ = 942080. Its totient is φ = 471036.

The previous prime is 706547. The next prime is 706561. The reversal of 706557 is 755607.

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 not a de Polignac number, because 706557 - 2⁸ = 706301 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706557.

It is not an unprimeable number, because it can be changed into a prime (706507) 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, 117757 + ... + 117762.

It is an arithmetic number, because the mean of its divisors is an integer number (235520).

2⁷⁰⁶⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

706557 is a deficient number, since it is larger than the sum of its proper divisors (235523).

706557 is a wasteful number, since it uses less digits than its factorization.

706557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235522.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 706557 is about 840.5694498374. The cubic root of 706557 is about 89.0667764644.

The spelling of 706557 in words is "seven hundred six thousand, five hundred fifty-seven".