705405465 has 48 divisors (see below), whose sum is σ = 1271702016. Its totient is φ = 361324800.

The previous prime is 705405439. The next prime is 705405473. The reversal of 705405465 is 564504507.

It is a happy number.

705405465 is a `hidden beast` number, since 7 + 0 + 540 + 54 + 65 = 666.

It is not a de Polignac number, because 705405465 - 2¹⁴ = 705389081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 189270 + ... + 192960.

It is an arithmetic number, because the mean of its divisors is an integer number (26493792).

Almost surely, 2^705405465 is an apocalyptic number.

It is an amenable number.

705405465 is a deficient number, since it is larger than the sum of its proper divisors (566296551).

705405465 is a wasteful number, since it uses less digits than its factorization.

705405465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 705405465 is about 26559.4703448695. The cubic root of 705405465 is about 890.1836363066.

The spelling of 705405465 in words is "seven hundred five million, four hundred five thousand, four hundred sixty-five".