705380506 has 16 divisors (see below), whose sum is σ = 1090409544. Its totient is φ = 341976384.

The previous prime is 705380503. The next prime is 705380509. The reversal of 705380506 is 605083507.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (705380503) and next prime (705380509).

It can be written as a sum of positive squares in 4 ways, for example, as 705380481 + 25 = 26559^2 + 5^2 .

It is not an unprimeable number, because it can be changed into a prime (705380503) 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 7 ways as a sum of consecutive naturals, for example, 5416 + ... + 37948.

Almost surely, 2^705380506 is an apocalyptic number.

705380506 is a deficient number, since it is larger than the sum of its proper divisors (385029038).

705380506 is a wasteful number, since it uses less digits than its factorization.

705380506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32865.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 705380506 is about 26559.0004706502. Note that the first 3 decimals coincide. The cubic root of 705380506 is about 890.1731372123.

The spelling of 705380506 in words is "seven hundred five million, three hundred eighty thousand, five hundred six".