705147 has 16 divisors (see below), whose sum is σ = 1008000. Its totient is φ = 437184.

The previous prime is 705137. The next prime is 705161. The reversal of 705147 is 741507.

It is not a de Polignac number, because 705147 - 2¹⁴ = 688763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (705127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5004 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (63000).

2⁷⁰⁵¹⁴⁷ is an apocalyptic number.

705147 is a deficient number, since it is larger than the sum of its proper divisors (302853).

705147 is a wasteful number, since it uses less digits than its factorization.

705147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250.

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 705147 is about 839.7303138508. The cubic root of 705147 is about 89.0074900063.

The spelling of 705147 in words is "seven hundred five thousand, one hundred forty-seven".