705375045 has 12 divisors (see below), whose sum is σ = 1222650156. Its totient is φ = 376200000.

The previous prime is 705375043. The next prime is 705375061. The reversal of 705375045 is 540573507.

705375045 is a `hidden beast` number, since 70 + 537 + 50 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 343842849 + 361532196 = 18543^2 + 19014^2 .

It is not a de Polignac number, because 705375045 - 2¹ = 705375043 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705375043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7837456 + ... + 7837545.

It is an arithmetic number, because the mean of its divisors is an integer number (101887513).

Almost surely, 2^705375045 is an apocalyptic number.

It is an amenable number.

705375045 is a deficient number, since it is larger than the sum of its proper divisors (517275111).

705375045 is a wasteful number, since it uses less digits than its factorization.

705375045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15675012 (or 15675009 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 705375045 is about 26558.8976616124. The cubic root of 705375045 is about 890.1708399897.

The spelling of 705375045 in words is "seven hundred five million, three hundred seventy-five thousand, forty-five".