65340432 has 50 divisors (see below), whose sum is σ = 189117918. Its totient is φ = 21779712.

The previous prime is 65340427. The next prime is 65340437. The reversal of 65340432 is 23404356.

65340432 is a `hidden beast` number, since 653 + 4 + 0 + 4 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (65340427) and next prime (65340437).

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 14017536 = 7164^2 + 3744^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 65340396 and 65340405.

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 9 ways as a sum of consecutive naturals, for example, 23913 + ... + 26504.

Almost surely, 2^65340432 is an apocalyptic number.

It is an amenable number.

65340432 is an abundant number, since it is smaller than the sum of its proper divisors (123777486).

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

65340432 is a wasteful number, since it uses less digits than its factorization.

65340432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50437 (or 50422 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 65340432 is about 8083.3428728466. The cubic root of 65340432 is about 402.7732943259.

Adding to 65340432 its reverse (23404356), we get a palindrome (88744788).

The spelling of 65340432 in words is "sixty-five million, three hundred forty thousand, four hundred thirty-two".