64680343 has 24 divisors (see below), whose sum is σ = 82449360. Its totient is φ = 50279040.

The previous prime is 64680307. The next prime is 64680349. The reversal of 64680343 is 34308646.

It is not a de Polignac number, because 64680343 - 2¹³ = 64672151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64680299 and 64680308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64680349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36723 + ... + 38443.

It is an arithmetic number, because the mean of its divisors is an integer number (3435390).

Almost surely, 2^64680343 is an apocalyptic number.

64680343 is a deficient number, since it is larger than the sum of its proper divisors (17769017).

64680343 is a wasteful number, since it uses less digits than its factorization.

64680343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 64680343 is about 8042.4090296378. The cubic root of 64680343 is about 401.4123882786.

Adding to 64680343 its reverse (34308646), we get a palindrome (98988989).

The spelling of 64680343 in words is "sixty-four million, six hundred eighty thousand, three hundred forty-three".