65340436 has 24 divisors (see below), whose sum is σ = 134898176. Its totient is φ = 27099360.

The previous prime is 65340427. The next prime is 65340437. The reversal of 65340436 is 63404356.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 65340398 and 65340407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65340437) 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, 36771 + ... + 38506.

Almost surely, 2^65340436 is an apocalyptic number.

It is an amenable number.

65340436 is an abundant number, since it is smaller than the sum of its proper divisors (69557740).

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

65340436 is a wasteful number, since it uses less digits than its factorization.

65340436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75319 (or 75317 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 65340436 is about 8083.3431202690. The cubic root of 65340436 is about 402.7733025449.

Adding to 65340436 its product of nonzero digits (25920), we get a palindrome (65366356).

The spelling of 65340436 in words is "sixty-five million, three hundred forty thousand, four hundred thirty-six".