65432432 has 40 divisors (see below), whose sum is σ = 137657856. Its totient is φ = 29949696.

The previous prime is 65432431. The next prime is 65432441. The reversal of 65432432 is 23423456.

It is a junction number, because it is equal to n+sod(n) for n = 65432395 and 65432404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65432431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25178 + ... + 27654.

Almost surely, 2^65432432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65432432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68828928).

65432432 is an abundant number, since it is smaller than the sum of its proper divisors (72225424).

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

65432432 is a wasteful number, since it uses less digits than its factorization.

65432432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2619 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 65432432 is about 8089.0315860429. The cubic root of 65432432 is about 402.9622419866.

Adding to 65432432 its reverse (23423456), we get a palindrome (88855888).

The spelling of 65432432 in words is "sixty-five million, four hundred thirty-two thousand, four hundred thirty-two".