705497697 has 12 divisors (see below), whose sum is σ = 1026385360. Its totient is φ = 466947288.

The previous prime is 705497693. The next prime is 705497713. The reversal of 705497697 is 796794507.

It is a happy number.

705497697 is a `hidden beast` number, since 7 + 0 + 549 + 7 + 6 + 97 = 666.

It is not a de Polignac number, because 705497697 - 2² = 705497693 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705497693) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 280723 + ... + 283224.

Almost surely, 2^705497697 is an apocalyptic number.

It is an amenable number.

705497697 is a deficient number, since it is larger than the sum of its proper divisors (320887663).

705497697 is a wasteful number, since it uses less digits than its factorization.

705497697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564092 (or 564089 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 54.

The square root of 705497697 is about 26561.2066179231. The cubic root of 705497697 is about 890.2224318850. Note that the first 3 decimals are identical.

The spelling of 705497697 in words is "seven hundred five million, four hundred ninety-seven thousand, six hundred ninety-seven".