705412 has 6 divisors (see below), whose sum is σ = 1234478. Its totient is φ = 352704.

The previous prime is 705409. The next prime is 705421. The reversal of 705412 is 214507.

It can be written as a sum of positive squares in only one way, i.e., 617796 + 87616 = 786^2 + 296^2 .

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 705412.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88173 + ... + 88180.

2⁷⁰⁵⁴¹² is an apocalyptic number.

It is an amenable number.

705412 is a deficient number, since it is larger than the sum of its proper divisors (529066).

705412 is a wasteful number, since it uses less digits than its factorization.

705412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176357 (or 176355 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 705412 is about 839.8880877831. Note that the first 3 decimals coincide. The cubic root of 705412 is about 89.0186385237.

Adding to 705412 its reverse (214507), we get a palindrome (919919).

It can be divided in two parts, 7054 and 12, that multiplied together give a palindrome (84648).

The spelling of 705412 in words is "seven hundred five thousand, four hundred twelve".