706545 has 24 divisors (see below), whose sum is σ = 1400256. Its totient is φ = 322848.

The previous prime is 706523. The next prime is 706547. The reversal of 706545 is 545607.

706545 is a `hidden beast` number, since 7 + 0 + 654 + 5 = 666.

It is not a de Polignac number, because 706545 - 2⁶ = 706481 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706545.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807 + ... + 1436.

It is an arithmetic number, because the mean of its divisors is an integer number (58344).

2⁷⁰⁶⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

706545 is a deficient number, since it is larger than the sum of its proper divisors (693711).

706545 is a wasteful number, since it uses less digits than its factorization.

706545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2258 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 706545 is about 840.5623117890. The cubic root of 706545 is about 89.0662722317.

The spelling of 706545 in words is "seven hundred six thousand, five hundred forty-five".