65432434 has 4 divisors (see below), whose sum is σ = 98148654. Its totient is φ = 32716216.

The previous prime is 65432431. The next prime is 65432441. The reversal of 65432434 is 43423456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53509225 + 11923209 = 7315^2 + 3453^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 65432396 and 65432405.

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 as a sum of consecutive naturals, namely, 16358107 + ... + 16358110.

Almost surely, 2^65432434 is an apocalyptic number.

65432434 is a deficient number, since it is larger than the sum of its proper divisors (32716220).

65432434 is a wasteful number, since it uses less digits than its factorization.

65432434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32716219.

The product of its digits is 34560, while the sum is 31.

The square root of 65432434 is about 8089.0317096671. The cubic root of 65432434 is about 402.9622460923.

The spelling of 65432434 in words is "sixty-five million, four hundred thirty-two thousand, four hundred thirty-four".