705690480 has 80 divisors (see below), whose sum is σ = 2386525824. Its totient is φ = 171075840.

The previous prime is 705690449. The next prime is 705690487. The reversal of 705690480 is 84096507.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705690487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131014 + ... + 136293.

Almost surely, 2^705690480 is an apocalyptic number.

It is an amenable number.

705690480 is an abundant number, since it is smaller than the sum of its proper divisors (1680835344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

705690480 is a wasteful number, since it uses less digits than its factorization.

705690480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267334 (or 267328 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 705690480 is about 26564.8354032168. The cubic root of 705690480 is about 890.3035113470.

The spelling of 705690480 in words is "seven hundred five million, six hundred ninety thousand, four hundred eighty".