705448490 has 32 divisors (see below), whose sum is σ = 1390873680. Its totient is φ = 256420864.

The previous prime is 705448481. The next prime is 705448531. The reversal of 705448490 is 94844507.

It can be written as a sum of positive squares in 8 ways, for example, as 227195329 + 478253161 = 15073^2 + 21869^2 .

It is an unprimeable number.

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, 66617 + ... + 76476.

Almost surely, 2^705448490 is an apocalyptic number.

705448490 is a deficient number, since it is larger than the sum of its proper divisors (685425190).

705448490 is a wasteful number, since it uses less digits than its factorization.

705448490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143146.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 705448490 is about 26560.2803072558. The cubic root of 705448490 is about 890.2017343481.

The spelling of 705448490 in words is "seven hundred five million, four hundred forty-eight thousand, four hundred ninety".