706540 has 12 divisors (see below), whose sum is σ = 1483776. Its totient is φ = 282608.

The previous prime is 706523. The next prime is 706547. The reversal of 706540 is 45607.

It is not an unprimeable number, because it can be changed into a prime (706547) by changing a digit.

706540 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17644 + ... + 17683.

It is an arithmetic number, because the mean of its divisors is an integer number (123648).

2⁷⁰⁶⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

706540 is an abundant number, since it is smaller than the sum of its proper divisors (777236).

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

706540 is a wasteful number, since it uses less digits than its factorization.

706540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35336 (or 35334 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 706540 is about 840.5593375842. The cubic root of 706540 is about 89.0660621331.

The spelling of 706540 in words is "seven hundred six thousand, five hundred forty".