705069 has 6 divisors (see below), whose sum is σ = 1018446. Its totient is φ = 470040.

The previous prime is 705053. The next prime is 705073. The reversal of 705069 is 960507.

It can be written as a sum of positive squares in only one way, i.e., 660969 + 44100 = 813^2 + 210^2 .

It is not a de Polignac number, because 705069 - 2⁴ = 705053 is a prime.

It is a super-2 number, since 2×705069² = 994244589522, which contains 22 as substring.

It is a Curzon number.

705069 is a lucky number.

It is a nialpdrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39162 + ... + 39179.

It is an arithmetic number, because the mean of its divisors is an integer number (169741).

2⁷⁰⁵⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

705069 is a deficient number, since it is larger than the sum of its proper divisors (313377).

705069 is a wasteful number, since it uses less digits than its factorization.

705069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78347 (or 78344 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 705069 is about 839.6838690841. The cubic root of 705069 is about 89.0042080239.

The spelling of 705069 in words is "seven hundred five thousand, sixty-nine".