65470434 has 16 divisors (see below), whose sum is σ = 138643488. Its totient is φ = 20539712.

The previous prime is 65470421. The next prime is 65470439. The reversal of 65470434 is 43407456.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65470395 and 65470404.

It is not an unprimeable number, because it can be changed into a prime (65470439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320832 + ... + 321035.

It is an arithmetic number, because the mean of its divisors is an integer number (8665218).

Almost surely, 2^65470434 is an apocalyptic number.

65470434 is an abundant number, since it is smaller than the sum of its proper divisors (73173054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65470434 is a wasteful number, since it uses less digits than its factorization.

65470434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641889.

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 65470434 is about 8091.3802283665. The cubic root of 65470434 is about 403.0402380050.

The spelling of 65470434 in words is "sixty-five million, four hundred seventy thousand, four hundred thirty-four".