705750005 has 4 divisors (see below), whose sum is σ = 846900012. Its totient is φ = 564600000.

The previous prime is 705749987. The next prime is 705750029. The reversal of 705750005 is 500057507.

705750005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500057507 = 877 ⋅570191.

It can be written as a sum of positive squares in 2 ways, for example, as 503598481 + 202151524 = 22441^2 + 14218^2 .

It is not a de Polignac number, because 705750005 - 2¹⁴ = 705733621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705750005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70574996 + ... + 70575005.

It is an arithmetic number, because the mean of its divisors is an integer number (211725003).

Almost surely, 2^705750005 is an apocalyptic number.

It is an amenable number.

705750005 is a deficient number, since it is larger than the sum of its proper divisors (141150007).

705750005 is a wasteful number, since it uses less digits than its factorization.

705750005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141150006.

The product of its (nonzero) digits is 6125, while the sum is 29.

The square root of 705750005 is about 26565.9557516759. The cubic root of 705750005 is about 890.3285430137.

The spelling of 705750005 in words is "seven hundred five million, seven hundred fifty thousand, five".