64342441 has 4 divisors (see below), whose sum is σ = 64545732. Its totient is φ = 64139152.

The previous prime is 64342427. The next prime is 64342511. The reversal of 64342441 is 14424346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14424346 = 2 ⋅7212173.

It can be written as a sum of positive squares in 2 ways, for example, as 28090000 + 36252441 = 5300^2 + 6021^2 .

It is a cyclic number.

It is not a de Polignac number, because 64342441 - 2⁵ = 64342409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64342241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101170 + ... + 101803.

It is an arithmetic number, because the mean of its divisors is an integer number (16136433).

Almost surely, 2^64342441 is an apocalyptic number.

It is an amenable number.

64342441 is a deficient number, since it is larger than the sum of its proper divisors (203291).

64342441 is a wasteful number, since it uses less digits than its factorization.

64342441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203290.

The product of its digits is 9216, while the sum is 28.

The square root of 64342441 is about 8021.3740094824. The cubic root of 64342441 is about 400.7121501031.

Adding to 64342441 its reverse (14424346), we get a palindrome (78766787).

The spelling of 64342441 in words is "sixty-four million, three hundred forty-two thousand, four hundred forty-one".