65705434 has 16 divisors (see below), whose sum is σ = 103017600. Its totient is φ = 31371120.

The previous prime is 65705417. The next prime is 65705443. The reversal of 65705434 is 43450756.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65705434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46267 + ... + 47665.

It is an arithmetic number, because the mean of its divisors is an integer number (6438600).

Almost surely, 2^65705434 is an apocalyptic number.

65705434 is a deficient number, since it is larger than the sum of its proper divisors (37312166).

65705434 is a wasteful number, since it uses less digits than its factorization.

65705434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 65705434 is about 8105.8888470050. Note that the first 4 decimals coincide. The cubic root of 65705434 is about 403.5218872661.

The spelling of 65705434 in words is "sixty-five million, seven hundred five thousand, four hundred thirty-four".