705424 has 10 divisors (see below), whose sum is σ = 1366790. Its totient is φ = 352704.

The previous prime is 705421. The next prime is 705427. The reversal of 705424 is 424507.

It is an interprime number because it is at equal distance from previous prime (705421) and next prime (705427).

It can be written as a sum of positive squares in only one way, i.e., 589824 + 115600 = 768^2 + 340^2 .

It is a junction number, because it is equal to n+sod(n) for n = 705395 and 705404.

It is not an unprimeable number, because it can be changed into a prime (705421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22029 + ... + 22060.

It is an arithmetic number, because the mean of its divisors is an integer number (136679).

2⁷⁰⁵⁴²⁴ is an apocalyptic number.

It is an amenable number.

705424 is a deficient number, since it is larger than the sum of its proper divisors (661366).

705424 is a wasteful number, since it uses less digits than its factorization.

705424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44097 (or 44091 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 705424 is about 839.8952315617. The cubic root of 705424 is about 89.0191432962.

The spelling of 705424 in words is "seven hundred five thousand, four hundred twenty-four".